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One of the biggest mistakes you can make in life is believing that you know everything there is to know. Even if you’re highly educated and brag about how brainy you are, there’s always—always!—something new to learn. If you keep your curiosity alive and well, and stay humble, you might fill in some of the biggest knowledge gaps you didn’t even know you had.

Today, we’re featuring some of the strangest, most interesting, and frankly mind-blowing facts about the human body that internet users shared in a couple of awesome online threads. Scroll down to check them out and, hopefully, learn something new.

#1

If You Want To Know More About The Human Body, Here Are 50 Strange Facts To Read Took anatomy in university, the biggest thing that stuck out to me was the wrist/hand.

There is so much packed through the wrist and into the hand it's insane. You got muscles, tendons, bones, veins, arteries, and nerves, all bottle necked through about a 2'' x 1'' opening.

And not only that, but think about how strong your hands are, and yet how delicate and precise they can be.

It's cray cray.

anon , Getty Images/unsplash Report

Robert T
Community Member
4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

The muscles that move your fingers are in your arm, not in your fingers. They are connected by tendons. If you look at how humanoid robot hands work, they borrowed the same principle. Makes the hand much less bulky than if it had motors in it.

Lady Eowyn
Community Member
4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

That bottle neck is responsible for my carpal tunnel.

OneHappyPuppy
Community Member
4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

I had carpal tunnel for only 2 weeks before I had my baby and that was worse than the delivery itself. Hurt like a m**o, couldn't move my hands for an hour after waking up. Every. Day. I slept with gloves on. I feel you

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Zig Zag Wanderer
Community Member
4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

As above, the strength is in the forearms.

vdc9f4qsh8
Community Member
3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

During anatomy class, I always thought that we looked like organic robots, especially the spinal column in the spinal cords. They seem like cables.

RELATED:
    #2

    Woman outdoors raising arms, illustrating mammalian dive reflex related to surprising human body facts. When blind people win a competition they raise their arms in a victory salute, in spite of never seeing that done before. It seems to be inherent, and some suggest that it shows our connection to primates. Gorillas raise their arms to show dominance over others.

    Scrappy_Larue , Daniele La Rosa Messina/unsplash Report

    Elmo
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    I think it's because it's a movement that goes against gravity, and those sorts of things ( jumping, raising hands in celebration etc) have been signs of celebration, excitement and joy for thousands of years, and I'm pretty sure it's a movement used by the mammalian brain, so it's instinctive I think

    Harry Gondalf
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    human, apes, and and some monkey children raise their arms when they want to be picked up.

    Lady Eowyn
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Some dogs sit or stand on their hind legs and lift up their front legs when they want to be picked up.

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    anne young
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Apparently they've never heard of the sense of proximity or movement.

    Michael Largey
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They may do it because they knew that it's traditional to do it.

    Ryan Mercer
    Community Member
    4 weeks ago (edited)

    This comment is hidden. Click here to view.

    Started with a good theory and then took it too far. Yes, the urge to raise our arms is instinctual. No, that does not necessarily mean it is a message of dominance. It is an exaltation that releases stress, the same as taking a big breath. Of couse we would have to make it about dominance. Of course...

    Kid Murray
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That is the prevalent, mostly agreed-upon theory, whether you like it or not. Sorry it hurts your feelings.

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    #3

    Young woman partially submerged in water, demonstrating the mammalian dive reflex with focused eyes above the surface. Your heart rate slows when your face touches water, its called the mammalian dive reflex.

    Jaspret , Getty Images/unsplash Report

    Man in the mirror
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    So that's why I don't truly feel relaxed in the bath until I've immersed my head! Mystery solved.

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not to be confused with the mammarian dive reflex, more commonly known as motorboating.

    monsieur mabel
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    ...will ask my doctor to dunk my head in a bucket of water next time she takes my blood pressure.....no more white coat syndrome for me !!......

    JD Key
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I suppose this is why they say to splash water on your face when stressed.

    Bored Seb
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    and that’s why you’ll be better at apnea when being under water that just sitting on a chair

    Grm Moore
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hah, mine speeds up in panic.

    Stardust she/her
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    So that’s why I feel like drowning myself when I swim

    As T. Alexander Puutio, Ph.D., who teaches organizational performance and leadership at Harvard and Columbia, stresses in a post on Psychology Today, there are many benefits of staying curious as you age.

    For example, older adults who “remain intellectually adventurous maintain better cognitive functioning and enjoy lower dementia risk than their less curious peers.”

    What’s more, novel experiences stretch your perception of time, so you feel like you live longer and more vividly.

    Not only that, but curiosity also predicts “greater meaning in life and higher psychological well-being across cultures.”

    #4

    Close-up of hands gently resting on a pregnant belly, illustrating human body and mammalian dive reflex concepts. If a mother suffers organ damage while carrying a fetus, the fetus will send out stem cells to repair the mother.

    bungholefungus , George Dagerotip/unsplash Report

    abn_gator
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's the least they could do for not paying rent for 9 months.

    ggus44
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Aww, how nice of the fetus

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Paying it forward for the milk to come later.

    Sam Trudeau
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    To the person who claimed a fetus is similar to parasites, read this

    Peter Parker
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Even parasites wouldn't want the host to die.. just saying..

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    #5

    Person in patterned jacket observing elephant in a natural setting, illustrating facts about the mammalian dive reflex. Humans are seen as cute by elephants in the same way we see puppies as cute. :).

    Turtelbob , prabin basnet/unsplash Report

    Hippopotamuses
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'd like to know the details about the research which determined this.It seems like such an esoteric finding.

    Also Ziro
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    MEEE TOOO! I think that every time, I read this. How is it possible was the elephant in an Elephant MRI?

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    Kira Okah
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Unproven, te person who first posited this in a tweet said that she isn't a scientist and based the tweet on a tumblr post that came up on a google. Snopes article in reply.

    Kira Okah
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    There we go: https://www.snopes.com/fact-check/elephants-think-humans-cute/

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    Amy S
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    At least someone thinks I'm cute

    Sara Frazer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    If I could be gently held and cuddled and nuzzled by an elephant; in the same way I'd cuddle a puppy; I would be happy

    Kate Johnson
    Community Member
    Premium
    4 weeks ago

    This comment is hidden. Click here to view.

    Or not? https://www.snopes.com/fact-check/elephants-think-humans-cute/

    April Pickett
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I wouldn't mind being an elephant's cutie.

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And they will play you to dea­th lol

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    #6

    Close-up of a surgical game showing human body parts being carefully removed with a red-handled tool illustrating human body facts. The appendix has a purpose and is not just a genetic remnant. It holds onto bacteria as a reserve for your digestive track incase your system is rapidly flushed (toxins, new bacteria, swift kick to your gooch). In a sense, its a lifeboat for probiotic (if your system was healthy and stable before it hit the fan).

    InquisitiveNerd , Denise Jans/unsplash Report

    Ravenkbh
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is why I keep my appendix in a box by my bed. Just in case I need it.

    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    As someone who had a rumbling appendix during their teenage years, I would rather have simply had it removed. NB: It's still there.

    April Pickett
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Back in the long, long ago it was thought it just was there. I had mine out when I was 5, bad, bad pain. I felt like a truck was sitting on my stomach. I remember the pain and learning to walk again after it was gone.

    Meanwhile, Leon F. Seltzer, Ph.D., the author of ‘Paradoxical Strategies in Psychotherapy,’ notes that curiosity improves cognitive functioning while also helping your mind work more logically and efficiently.

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    Moreover, staying curious about the world can also boost your confidence, self-esteem, sense of pride, purpose, and life direction.

    “Virtually all of us are endowed with a sense of adventure. And so we’re attracted to, and motivated to engage in, what’s novel or new. That’s how, ongoingly, we’re able to take in what previously we weren’t conscious of. As a result, we start to recognize what may still remain outside our awareness, which can incite us to continue our pursuit of knowledge and understanding on an ever-deepening level,” Seltzer writes on Psychology Today.

    “Furthermore, as we’re driven to indefinitely expand our knowledge, we become interested in related questions not previously considered. And that prompts us to seek out fresh experiences to obtain information that now draws our curiosity. Needless to say, this well-nigh perpetual venture serves to enrich our lives and make them more meaningful.”

    #7

    Man running outdoors near water demonstrating the mammalian dive reflex related to human body facts. There is no animal in the Animal Kingdom that can outrun a human in a distance race.

    Many animals can run faster that we do, but as far as distance goes we are unmatched.

    Our ancestors used to practice persistance hunting.

    “Persistence hunting is believed to have been one of the earliest hunting strategies used by humans.”.

    kolpy99 , Chander R/unsplash Report

    Daisydaisy
    Community Member
    Premium
    1 month ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Pretty sure this human could be outrun by many creatures, including perhaps snails and tortoises ...

    Tobias Reaper
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    most animals could beat us in say a 100 metre sprint but not in a marathon

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    Kid Murray
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's adorable that you think I could outrun anything in a distance race.

    Senjo Krane
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Pretty sure Wild Dogs can outrun us without even trying.

    Kate Johnson
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In warm climates. Huskies can outlast us in cold climates.

    Chris G.
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Saw a YouTube about huskies. They burn energy different from other mammals. They run better if they do back to back sled dog races. We are not outdistancing them.

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    Bill B
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Well, north American antelope can run 50mph for a couple hours at a time...

    Big Bill
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    There is one animal that would put up a very good race over a mile: a camel. Especially on the camel's home turf. Other than that, there are probably a few wolves that would present a challenge to a human runner over that mile.

    anne young
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Um. Humans are animals but ok.

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    #8

    Close-up of wet feet submerged in water highlighting the mammalian dive reflex in the human body. If your second toe is longer than your big toe, it is called Morton's foot.

    No Olympic sprinter has ever had a Morton's foot (instead conforming to the standard downhill toes).

    However, statues from Ancient Greece (as well as later Roman statues, Michelangelo's David, Venus de Milo, Da Vinci's Vitruvian Man and the Statue of Liberty) all portray Mortons feet as it was considered an ideal of beauty.

    asinine_qualities , C WC/unsplash Report

    Mera
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Makes it hard to find comfy shoes, unfortunately.

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Is it common among clowns? That could be the reason for those shoes.

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    Agfox
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    No wonder I never became an Olympian Mortons-Fo...202d14.jpg Mortons-Foot-693a687202d14.jpg

    Michael Fernandez
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My feet are classically beautiful! Is there a demand for s**y man feet? (And by that I mean sexagenarian man feet. I wonder how the BP text auto carrot will handle that.)

    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Looking at feet while reading this...

    Michael Danhauer
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The Greeks also saw large male genitalia as a sign of impurity and lustful tendencies. Smaller genitals were a sign of purity and heroic tendencies. That's why all the statues of Greek heroes have small junk.

    Eastendbird
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    TIL my feet are "an ideal of beauty".

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    #9

    Detailed model of the human brain illustrating anatomy related to the mammalian dive reflex in the human body. The Human-brain organ itself cannot feel pain, but can feel pain from all other part of the bodies.

    sunxoid , Robina Weermeijer/unsplash Report

    Robert T
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Interestingly, you can feel pain from a brain haemhorrage. I presume that nerves get squashed under the pressure and that is what you feel, rather than the brain tissue feeling it. (First hand experience, unfortunately).

    Boris Mohar
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    So why a headache? What hurts?

    patricia patricia
    Community Member
    3 days ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It depends on the type of headache. I suffer from migraines, and it's a complex process where the trigeminal nerve and other nerves in the area release inflammatory substances, which cause blood vessels and membranes to swell and become painful. I don't know what causes other types of headache, but it's always muscles, blood vessels, nerves and other tissues that hurt, but never the brain.

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    Senjo Krane
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Anyone who saw 'Hannibal' knows this.

    Emma London
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    But organs and muscles also feel pain! That's why you'll get F*ntanyl in surgery. Even when you are asleep, your body must be given a heavy anesthesia because your parts try to jerk away from pain.

    Jan Rosier
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    drink half a bottle of whisky and come back in the morning...

    Chewie Baron
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ah, but that pain isn’t your brain, it’s the membrane that holds your brain in place,

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    When you’ve read through all of these intriguing facts, we’d like to hear from you, Pandas. Feel free to share your thoughts in the comments at the very bottom of this post.

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    How do you continue to stay curious about the world, no matter how many responsibilities and other things you have going on in your life? What are the weirdest things you’ve learned about the human body that sound fake but are completely true? What do you do to accept the world for what it is, not what you think it should be? Tell us all about it.

    #10

    Young female doctor in white coat with stethoscope holding clipboard, illustrating human body facts about mammalian dive reflex. If you held the pancreas in your hand it would dribble through your fingers because it has the viscosity of snot. That’s why pancreatic cancer is pretty much impossible to operate on.

    triplenipple99 , Fotos/unsplash Report

    Sarah Kathrin Matsoukis
    Community Member
    1 month ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In my head I'm scooping out the cancer with a little holey shovel like cat litter

    Gourdeous
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Bobbins. Pancreatic cancer presents late due to the anatomical location of the pancreas and its blood and nerve supply. It is not snotty, but not as firm as say a heart.

    Eastendbird
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Lost a dear friend to pancreatic cancer this year. Late diagnosis, as is very common, nothing they could really do. F**k cancer.

    Min
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm sorry for your loss.

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    Trashy Panda
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What keeps it from falling apart?

    alchemilla vulgaris
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not viscous, not snot, firmer than some of the other organs (liver, kidneys) but as Gourdeous says not as firm as a heart. And as everybody said, hard to operate because by the time it becomes symptomatic it's often already too late.

    #11

    Close-up of human eye and eyebrow highlighting unique features of the human body related to the mammalian dive reflex. The part of your eye where the optic nerve exits is what gives you a blind spot, because there are no photoreceptors at that part of the retina. It’s a bit of a design flaw, but luckily, the spot is “filled in” by your brain so, you don’t notice.

    akimboslices , Faruk Tokluoğlu/unsplash Report

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    A lot of what you 'see' is actually made up by the brain instead of what the eye actually sees. Most of it is ignored because otherwise we'd be overwhelmed. Some substances remove the filters and it's wild!

    Seabreeze
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Did you know your eyeballs have their own immune system? And if your bodys immune system knew this, it would fight it?

    Man in the mirror
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Octopuses have better eyes because the optic nerve attaches behind the retina, not stupidly across, so they don't have blind spots. This is because their eyes evolved entirely independently form ours in an amazing wonder of parallel evolution that lets us know aliens probably have eyes just like ours.

    Robert T
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Not only that, but if you lose vision in part of your eye (either in the eye or in the part of the brain that processes the image), you don't just see black there - your brain fills in the details. Where it gets weird is that it needs to "refresh" this image by moving your eyes so that a part than can see picks up an image and it gets remembered until the next refresh. This means if you don't keep moving your eyes, that part of the image can become stale. Same haemhorrage I mentioned above affected the sight in both my eyes. If I'm staring at the screen and a message pops up in the bit I can't see, I won't notice it until I move my eyes.

    Huddo's sister
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My blind spot was bigger when I was young, because I had an optic nerve pit (hole) on my retina. My eye compensated for this, so it was picked up until I had the mandatory eye test when entering school. If it got bigger I could have been blind.

    Nikki Sevven
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We all are blind for a minute or two every day. When we rapidly shift our field of vision, our brain blacks out vision for a split second so we don't get dizzy.

    Hugo
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    If I were designing a retina I wouldn't have the light pass through layers of neurons and capillaries before it reaches the photosensitive sections of the rods and cones, which is a crazy arrangement. Yet it works!

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    #12

    Woman with eyes closed and hand on chest, demonstrating relaxation and the mammalian dive reflex concept. The urge we have to breathe is not to supply O2 to our bodies but to dispose of CO2!

    NoahScotia , Darius Bashar/unsplash Report

    CK
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    Because of this, you can become oxygen deprived without noticing right away when breathing something that's neither O2 nor CO2.

    Robert T
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hypoxia, such as when you are at altitude and there is less oxygen in the air you breathe. This is dangerous, as it is compounded by the lack of oxygen causing your brain to not be able to think properly.

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    I am John
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I also love that when we loose weight we (overwhelmingly) breath it out. That's why its so hard to do!

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yep. I have breathing problems because apparently I blow off too much CO2

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    #13

    Close-up of a person touching their neck, highlighting human body features related to the mammalian dive reflex. There's one bone that's not attached to any other bone. It's in your throat and allows you to eat, swallow, talk, and breathe.. the hyoid bone.

    Middle_Temperature , Luiz Rogério Nunes/unsplash Report

    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The one that breaks if someone strangles you.

    Kira Okah
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It strongly suggests it, but it's not infallible and cannot stand without any other evidence. It was only fractured in 1/3 of homicide strangulations, there are other ways for it to break, it's breaking is more likely with increased age, and the most common reason for it breaking is unfortunately sㅤuicide.

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    Blackmoon The Dragon
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    Only connected to muscle! It needs the flexibility I'm guessing

    #14

    Close-up of a human eye showing detailed eyelashes and skin texture illustrating the mammalian dive reflex concept. Your eyeballs are only 34% bigger now than they were on the day you were born.

    D1rtymaca1 , Daniel Hooper/unsplash Report

    Zero
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    Logical, everything grows bigger? What stupid title

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The comment isn't about the bigger part, but about the relatively low percentage of growth compared to the rest of the body.

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    #15

    Young woman reaching out to touch a giraffe outdoors, illustrating a natural moment related to the mammalian dive reflex concept. Humans and giraffes have same number of neck bones (7 cervical vertebrae).

    IoSonCalaf , Getty Images/unsplash Report

    GlitterPanda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    almost all: the exceptions being the manatee (6), two-toed sloth (5 or 6), and three-toed sloth (9)

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    Robert T
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm going to go out on a limb here and suggest that the giraffe's neck bones are just a tad longer than the human ones!

    Zero
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Just bigger then ours.

    #16

    Silhouettes of two people against intense golden sunlight, illustrating the mammalian dive reflex in the human body. Humans are bioluminescent and glow in the dark, but the light that we emit is 1,000 times weaker than our human eyes are able to pick up.

    Here is an article about it.

    -eDgAR- , Hassan OUAJBIR/unsplash Report

    Trashy Panda
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We also have stripes that show up under UV light

    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    "Luminous beings are we. Not this crude matter." Master Yoda.

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    #17

    Man demonstrating the mammalian dive reflex by pressing a towel to his face in a bathroom setting Right before you vomit your mouth fills with quite a bit of saliva, this normally happens like 30-45 seconds before you vomit. It does this to help protect your mouth from the acids in the vomit. It's also a good indicator that you are going to vomit. So if that happens to you find the nearest toilet, bush, or garbage can.

    TomVaron , Natalia Blauth/unsplash Report

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yes, I always know I'm going to hurl because of the rush of saliva. It's never been incorrect. Find that sink/bin/window fast!

    Anonymouse
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I found if you get some TUMS, or generic antacid, and can grab 4-5 and chew them during this time, it totally neutralizes the acid, and your vomit is majorly less disgusting. Of course, you have to act fast, but if you are feeling nauseous, you generally have some time...

    Auntriarch
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Especially if you are dry retching, take a few mouthfuls of water as well, gives you something to bring up that isn't quite as nasty.

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    Verfin22
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My reflex is so fragile, I can heave and nothing comes out. It's quite irritating and painful.

    Pferdchen
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Or that person you dislike...

    Stardust she/her
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I can’t rely on this sign anymore as due to constant anxiety I’m so nauseous that there’s always a rush of saliva but no vomiting so I have no reliable way of knowing I’m sick until it’s too late

    Maim
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I thought it was just me!

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I start sneezing as well.

    UnclePanda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The tooth thing is secondary - your GI tract flushes with mucus as part of the upcoming launch.

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    #18

    3D rendering of human knee bones highlighting the anatomy of the human body and mammalian dive reflex concept. The largest bone in the human body is the femur. It can support 30 times the weight of a person's body. Ounce for ounce, that's stronger than steel.

    slinkwydes_mom , Point Normal/unsplash Report

    Stardust she/her
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Calcium is still somewhat brittle but when mixed in with other elements like phosphorus it can be strong

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    Nikki Sevven
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Sure, but I'll bet your knees can't.

    Big Bill
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In compression (like carrying a weight) yes, but bending, not so much.

    Geobugi🇰🇷🇰🇭
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    That is 5 times the weight of an american in freedom units 🤣

    #19

    Man sleeping peacefully in bed demonstrating relaxation linked to the mammalian dive reflex in the human body. There's something called "placebo sleep"--if you trick your brain into thinking you got a good night's sleep you will become convinced you got a good night's sleep.

    anon , Getty Images/unsplash Report

    More Information
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I think "tricking my brain" is another way of saying "convinced myself", right?

    Jedi Panda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ah yes. If you convince yourself that you got a good night's sleep, you will shockingly convince yourself that you got a good night's sleep!😂

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    GlitterPanda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    so...how do I trick my brain into thinking this?

    Billo66
    Community Member
    Premium
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    3 drams of Laphroaig at breakfast and yesterday is but a fleeting memory.

    nottheactualphoto
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Excellent choice. It is, after all, "the most richly flavoured of all Scotch whiskies."

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    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In college I learned that all we really need is three and a half to four hours of solid sleep to go through one complete cycle. I believed it, and for 5. decades have been able to function just fine with that being my usual pattern. I have no idea whether that's anatomically accurate or a placebo effect. Either way, it works for me.

    Lady Eowyn
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I've tried. It doesn't work for me.

    #20

    Hands of several people examining a detailed human body model focusing on the brain and anatomical features. That we are all so different on the inside.

    I assumed we were all cookie-cutter, like the anatomy posters. Then, I went to a cadaver lab, for school.

    I saw a body with a bicep with 3 heads (making it a tricep) and 2 heads on the tricep (making it a bicep)

    Some people have extra organs (extra kidneys).

    I had just assumed... (it also puts evolution into a more real context).

    SapienChavez , Getty Images/unsplash Report

    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Mary Shelley has entered the chat.

    Anonymouse
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    You are unique, just like everyone else!

    Hugo
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    No such word as "bicep": biceps is singular. And yes, my Dad had three kidneys.

    Senjo Krane
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We also have different blood vessels so when a surgeon cuts you open he's never 100% sure what he's going to find or where it will be.

    BarfyCat
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My mom had an artery wrapped around her esophagus that caused problems with swallowing food. It was just a weird genetic anomaly.

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    Verfin22
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    When having a kidney transplant, they never take out the damaged one. Therefore it's possible to have more than two kidneys.

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    #21

    The skin on your elbow is called a Wenis.

    anon Report

    Mera
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ah, yes. My wenis.

    Multa Nocte
    Community Member
    Premium
    4 weeks ago

    This comment is hidden. Click here to view.

    Dictionary.com says, "We‍nis and wag‍ina are joke words for referring to the skin on the outside and the pit of the elbow, respectively. While the exact origins of w‍enis and wag‍ina are unknown, they likely originated as children’s or adolescent slang by the 1990s. The terms have been have been circulating on the internet since at least the early 2000s. The actual area of the elbow which we‍nis often refers to can be called the olecranal skin, the wag‍ina the cubital or antecubital fossa. The we‍nis component of this phrase is not always used in reference to the elbow. A 1998 episode of the TV sketch comedy Mr. Show with Bob and David was titled “Show Me Your Wee‍nis!” In this episode we‍enis, spelled with two es, is used as a silly blend of wi‍en‍er and pe‍ni‍s."

    Jeff Hunt
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I’ll have to ask the wife if she wants to see my wenis.

    Michael Fernandez
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    “Weekly Estimated Net Usage Statistics” - Chandler Bing

    Trashy Panda
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Don't touch my wenis

    #22

    The 52 bones in your feet make up one quarter of all the bones in your body. When they are out of alignment, so is the rest of your body.

    anon Report

    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Which is why good shoes are important.

    #23

    Tilapia skin is close enough to our skin that it can be used to paper over burns and let them heal faster.

    Also, our immune systems are similar enough to pigs' that they are the (non-primate) animal that transmit diseases the most easily to us, which is likely why many early religions banned pigs as dirty.

    FlyingBike Report

    Geobugi🇰🇷🇰🇭
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It is cod fish and it is sadly not that simple. If you got burned you can not just simply slap some fish on it, the skin has to get special treatment in a lab to be able to do what it is supposed to to. The procedure is not easy and that treatment is not for everybody equally sensible. It is pretty much a fish plaster only the new human skin grows into it. I simplified this, it is a bit more complicated

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    and covering a burn with a suitable 'dressing' helps with pain relief. (first aid is douse with water and cover with cling film - ?saran wrap in the US.)

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    Zero
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yet we use pig valves in surgery, and obviously like all foreign objects, must be fully treated first.

    Nils Skirnir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Only two religions ban pork. Only one of which is early.

    highwaycrossingfrog
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I don't think any "early" religions banned pork, unless you are counting ancient Judaism as early. Otherwise there is Islam and Rastafarianism

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    #24

    Man with beard concentrating and holding temples, illustrating focus on the mammalian dive reflex in the human body. Your memories are not concrete. Every time you think about a memory it becomes volatile and can be changed. There was an experiment where people were told that they had committed a major crime earlier in their life. This was of course false, but after being told repeatedly for weeks the people became completely convinced that the crime really happened.

    TheSaltyGiraffe11 , A. C./unsplash Report

    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    As I have become older, I have discovered this without scientific scrutiny. If my friends hear about my secondary school life again, I swear they're going to k**l me.

    Marla Singer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is one of those many things that is easier to believe about others, but difficult to accept about ourselves.

    Nils Skirnir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Memory may well be an act of imagination

    rustyscate
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is the basis of positive affirmations but in a negative use. It’s a bit strange why did they have to make them believe they did something bad when they could have told them something good?

    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Tricking people into believing they committed a crime seems as unethical as any experiment Milgram or Zimbardo would perform.

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    #25

    Anatomical model of the human body showing internal organs to explain the mammalian dive reflex concept. The small intestine is longer than the large intestine.

    anon , Kevin Kandlbinder/unsplash Report

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The 'large' and 'small' element is the diameter.

    Emma London
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    In Finnish, the large intestine is paksusuoli, literally "thick intestine". This misconception is purely anglosaxon.

    rustyscate
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That man’s got no liver or kidney!!!!!!

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Your mouth is just the sweet end of your colon.

    #26

    Close-up of a person walking on pavement wearing gray sneakers, illustrating aspects of the human body’s mammalian dive reflex. * extremely efficient legs, we can walk all day, but a horse or a wolf tires out much earlier.

    * resistance to shock, losing a body-part isn't a completely lethal, as with other creatures.

    * hyperactive scar tissue, we regenerate faster than other creatures.

    * Mega-fauna, we are in the group mega-fauna, which means we are one of the largest creatures on the Earth.

    Red580 , Sincerely Media/unsplash Report

    Marianne
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Google says that a wolf can walk 100 km a day. That's a lot more than a typical human.

    Peter Bear
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yes, but how long do they need to rest, and how many days can they maintain it? Wolves are also persistence predators, but they're not as good at it as we are.

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    Grm Moore
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    : In cold, wet, or snowy conditions, animals like wolves and dogs can have superior endurance. Specific Animals: Certain animals, such as migratory birds (e.g., Arctic tern, Canada goose) or some marine mammals, can travel vast, continuous distances that far exceed human capabilities, leveraging different forms of locomotion like flight or swimming.

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hummingbirds migrate across the Gulf of Mexico. That's some serious pound for pound (or ounce for ounce) endurance.

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    Hippopotamuses
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    But my spirt animal is a wolf. What am I supposed to do?

    Cristi nah
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I am one of the averagest creatures on the Earth

    Zero
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Tend to agree withMarianne on this one

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    #27

    Green coconut with a straw on a wooden table, illustrating a natural source related to the mammalian dive reflex. Dunno if this counts exactly but coconut water can be used as a temporary replacement for blood plasma. Yaknow, like, for emergency surgery on a stylised desert island?

    charmelitto , Xiaoyu Li/unsplash Report

    Multa Nocte
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Sadly, we never learned this from Gilligan's Island.

    Chewie Baron
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    No, but we did learn this in WWII. But it has to be young coconuts.

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    Ece Cenker
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    Depends on your blood - Pina Colada ratio on the said "stylised desert island."

    #28

    Mother holding infant wearing headband, illustrating the human body and mammalian dive reflex concept. That females are born with ~2 million eggs already in their ovaries, although that's down from a peak of 6 to 7 million while in the womb. They lose eggs over time naturally, and by the time they hit puberty they're down to ~300,000.

    Still debate on whether or not they create new eggs in their life-time or if what they're born with are all they'll ever have, they're still doing studies to try to figure this one out.

    Caucasian_Fury , Leighann Blackwood/unsplash Report

    Jesse
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And I'll never use a single one of them. Cheerio!

    anne young
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    Stop saying 'females'. It's offensive and dehumanizing. We're not bovine.

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    #29

    Adult hand gently holding a newborn's hand, illustrating the human body and mammalian dive reflex connection. Human babies are so helpless when they’re first born because they’re not done developing yet. It has been hypothesized that when humans evolved to walk on two legs, one of the consequences was the narrowing of the birth canal, meaning that babies need to be born earlier or else their heads would be too large to pass through. In theory, a human gestational period would ideally be between 18-21 months!

    Taypurade , Aditya Romansa/unsplash Report

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's actually because our brains developed to be much larger. The head can't fit through the birth canal. I don't believe it's because we are upright, or other apes would have the same problem, and I don't believe that they do.

    Marianne
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    But we're not the only creatures who get born "early" (I mention this, because I have heard people claim that we are the only ones born immature). E.g. cats and many other animals get born with closed eyes, because they're not fully developed. Also they can't take care of their bowel movements themselves. Their mother has to lick their belly, or they will die from congestion.

    Zig Zag Wanderer
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    We're the only ones that need support for months, or even years.

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    Nikki Sevven
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'll take a hard pass on the 18-21 month gestation, thanks anyway.

    April Pickett
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Interesting. Now find a woman who wants to be pregnant for 18-21 months. Most of us have trouble being pregnant for 9 months.

    Sam Trudeau
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Meanwhile, this is coincidentally the recommended time between pregnancies

    #30

    A woman's breast milk adapts to her infant's needs based on its saliva. If the baby is sick, mom will produce more antibodies in her milk.

    Jaclyn_22 Report

    Big Bill
    Community Member
    3 weeks ago

    This comment is hidden. Click here to view.

    Here's a source: https://pmc.ncbi.nlm.nih.gov/articles/PMC10490220/

    Man in the mirror
    Community Member
    4 weeks ago

    This comment is hidden. Click here to view.

    This seems like b******t, a source would have been welcomed.

    Carol Culhane
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Why would it seem like bs? Milk also changes throughout a babies development to give them more of what they need to grow. The first milk, or collostrum is incredibly nutrient dense and loaded with antibodies, etc.

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    #31

    That muscles can exert a lot more force than they actually do. They aren't used to there full potential all the time because it would destroy the muscle.

    When you get an adrenaline rush you are able to tap in to more of your muscles and become significantly stronger.

    phoenixfire978 Report

    Daisydaisy
    Community Member
    Premium
    1 month ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is perhaps why women can apparently lift cars or fallen trees that are crushing their babies?

    Anonymous Fox
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Yes, exactly. This is also why your heart rate speeds up so much when you're scared; your body is delivering extra fuel to your overclocked muscles.

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    #32

    Glass mug with ice cubes being filled with milk from a clear pitcher, illustrating the mammalian dive reflex concept. The most abundant metal in the human body is Calcium, not Iron as a lot of people think.

    anon , Maryam Sicard/unsplash Report

    Kira Okah
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Probably because calcium being an alkaline earth metal is not something that is commonly remembered.

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    If we had as much iron as Calcium, we wouldn't be able to walk.

    Lotekguy
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    ... and make no bones about it!

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    #33

    Close-up of a wet human back showing skin texture and water droplets, illustrating the mammalian dive reflex in the human body. Lame because everyone probably knows this by now, but as a teenager I was blown away by the fact that SKIN IS THE LARGEST ORGAN!

    Sasstronaut7 , Wilhelm Gunkel/unsplash Report

    Pferdchen
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Psst - your epidermis is showing!

    Auntriarch
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    We had so much fun at school with people who didn't know the difference between epidermis and epididymis...

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    Ravenkbh
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    No - the largest organ in the world is the Boardwalk Hall Pipe Organ in Atlantic City New Jersey. Everybody gets this wrong.

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My boloney has a first name...... lol

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    #34

    The acid in your stomach could burn your skin! I always thought that was pretty interesting, and reminds me of the scene in Alien, where the alien blood burns everything.

    RebaRocket Report

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This is why stomach ulcers are so difficult to fix. Once the mucus is washed away, the stomach digests itself.

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    A lot easier these days with antibiotics for helicobacter, which cause the majority of stomach ulcers.

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    tee-lena
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It eats teeth as well. I'm sick, throwing up all the time. I had full dentures at 30ish yrs old.

    #35

    The average human heart pumps about 7600 liters (2000 gallons) of blood every day.

    Your heart does a lot of work. Take care of it.

    Broswanigan Report

    rustyscate
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I do a lot of work too, who’s taking care of me!?

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    #36

    During the average person's life, they will produce enough saliva to fill two swimming pools. Now I know where Mark Spitz got his name from.

    Daimo Report

    NapQueen
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm pretty sure I could fill two swimming pools of dribble just by sleeping one night!

    Sara Frazer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    You are the Nap Queen, after all 👑 🙇 (I frequently drool while sleeping too lol)

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    Jnausicaa
    Community Member
    Premium
    3 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    At one time Doctor Spitz (he's a dentist) had the most Olympic Gold medals of any USA athlete with 8. IIRC, Micheal Phelps, another swimmer won 22 over his career.. I could be wrong on that.

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    #37

    Alot of taste is influenced by smell.

    knottreel Report

    Mera
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Unfortunate, as a person without a sense of smell. It’s actually kind of crazy how much it affects my taste.

    Geobugi🇰🇷🇰🇭
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I feel very sorry for you. As a person who loves food a lot , i imagine it would make me very sad to taste not as much as i do now

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    Jack
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Smell and taste are intertwined. When you inhale, some of that air gets pulled into your mouth where your tastebuds fill in further details. So whatever you're smelling, you're also tasting it.

    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Remember that when you are cleaning out the stables,.

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    Grm Moore
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    No, flavour is. Taste is sweet, salty, sour, bitter. Flavour though is smell. Lose your sense of smell and all you get is those 4 sense from foods. Happened to my partner.

    Sue Shea
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I completely lost all sense of taste and smell 20 years ago, and yes, I can discern sweet, salt, sour, and bitter. But, absolutely no flavors whatsoever! Creates a dilemma when trying to cook. I enjoy my food now by its texture.

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    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    There is a 7th or 8th grade science experiment where one person is blindfolded and holds their nose so they cannot smell anything. They are given a crunchy bit of plant matter to chew aether swallow or spit out and asked what it was. Many said apple when it was onion.

    Karen Ballou
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The taste buds only detect sweet, sour, bitter, or salty. The nose differentiates the ‘taste’ of your food.

    April Pickett
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Except for coffee. That stuff smells great but tastes bitter. I like my coffee anyway.

    tee-lena
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Thats what flavored creamer is for 😉

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    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Artificial flavor is just chemicals to reproduce that effect in your brain. I guess Artificial kind of gives it away.

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    #38

    You are at your tallest each day as soon as you wake up in the morning.

    clg653 Report

    Billo66
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    W*F happens the rest of the day? 10 years ago I was 5' 11" today Im 5,8. Not one to quibble but I kind of need my inches.

    Lady Eowyn
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm still 4'10" at almost 71 years old. I refuse to shrink.

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    anne young
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    But some don't wake up in the morning.

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    #39

    When a baby is born, it’s teeth are right under its eyes.

    a_moist_raisin Report

    Stardust she/her
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I had a tooth with its roots uncomfortably close to my nasal passages. When they finally removed it by cutting open my mouth, I was able to finally breathe better. Sometimes if I’m jumping on a hard surface, through the pressure from the floor I can feel the hollow space in my face where the tooth used to be

    Tobias Reaper
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    all their teeth baby and adult teeth if you see and xray of baby it looks like something from a horror movie

    anne young
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Never 'it'. How would the OP feel being referred to as 'it'? Babies aren't objects. Them*.

    #40

    It's funny but the nail on the middle finger grows faster than the rest. And the nail on the middle finger of the leading hand is generally a champion in terms of growth rate)

    We still don't know why but the growth speed of the nail is somehow connected with the length of the finger, so that fingernails on long fingers grow faster than all, and the slowest on short ones.

    cryptonagri Report

    Ravenkbh
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I keep trying to show people how long the nail is on my middle finger but they just keep getting upset

    Sara Frazer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    ...who else just looked at their finger nails..?? 🙋

    Michael Danhauer
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    My nails grow at pretty much the same rate. I think the rest of you are just mutants. Or maybe I am lol...

    Verfin22
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They don't grow at all if you bite them!

    Marianne
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Incoming theory: It has something to do with holding a pen. Because I hold a pen with 4 fingers (don't ask me why) and for me, the fourth finger grows it's nail fastest.

    nottheactualphoto
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I wasn't going to ask why. I was going to ask how!

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    #41

    Close-up of a human hand with fingers spread, illustrating aspects of the mammalian dive reflex in the human body. There are no muscles in your fingers, they are powered by muscles in your hands and forearms.

    SuperDuper125 , Mathias Reding/unsplash Report

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    There are muscles, just not very strong ones.

    Gourdeous
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Nope, no muscles in the fingers. I'm a hand surgeon.

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    highwaycrossingfrog
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    So my fingers are just skin on top of bone. I don't think so.

    Big Bill
    Community Member
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Use the muscles that aren't in your fingers to type into your favorite search engine: "are there muscles in my fingers" (sans quotes).

    #42

    There is a natual chimerism present in every woman's body.
    Early in foetal development every cell has to decide for itself which X-chromosome it will use. Once that decision is made it sticks everytime the cell divides. So you get clumps/stripes of cells that share the same x-chromosome next to stripes/clumps that have the other chromosome active.

    Radijs Report

    highwaycrossingfrog
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And that's why we have stripes (AKA Blaschko lines)

    LB
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Apparently this is real, but about 20% of the genes are still used, and when the activated one is damaged, (parts of) the other one can become active again.

    #43

    The dimple of skin between your nose and your top lip is called the philtrum.

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    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Well that's convenient. I've always called it 'Phil' anyway!

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    #44

    All the processes that happen in your body happen in complete darkness.

    When people think about bodily processes they think of images of pink and red things moving around in a well-lit environment. In reality it's all pitch black.

    Taylor7500 Report

    Daisydaisy
    Community Member
    Premium
    1 month ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Oh this really upsets my view of the world!! I've always assumed I'm pretty shades of red and pink inside - but pitch-black darkness! How gloomy!

    Laserleader
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What color is blood? Black like everything else until exposed to light.

    Zig Zag Wanderer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm kinda glad about that. If it's happening in daylight, I'm gonna be worried!

    Sara Frazer
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I've seen it said somewhere before, but a quote like "If all goes well in your life your organs will never see the light of day"

    Jedi Panda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I was right! My soul really is a dark void!!

    Armac
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And your skeleton is always wet

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    #45

    That the brain operates on the same amount of power as a 10-watt lightbulb.

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    Francois
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Some brains are lower wattage.

    Dame Cherry
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    gotta be a lot lower for Trump and Reform voters

    Jnausicaa
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They are not dim. They are totally blacked out.

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    Trashy Panda
    Community Member
    Premium
    3 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    If that's true, then explain why the robots put us in the Matrix

    nottheactualphoto
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Or just say that the brain's power consumption is about 10 watts. Light bulbs don't pertain.

    #46

    I'm pretty sure alot of people know about the whole 'eyes take in an upside down image and the brain flips it' thing, but if you wear glasses that flip what you see upside down your brain will eventually adjust and flip how you perceive it the "right" way up, this means that when you take the glasses off you'll see upside down naturally until your brain readjusts again.

    charmelitto Report

    Laserleader
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    The studies said it takes 3 days for a normal brain to get used to an image upside down. If you apply that to almost anything new to the brai takes three days to be fully understood.

    Pferdchen
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    People will get a taste of this if they ever opt for progressive eyeglasses! Nothing is flipped, but it can take two or three weeks for the brain to adjust.

    Lady Eowyn
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I've got progressive lenses. Took me a while to adapt, but worth it to avoid readers and constantly changing glasses.

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    Nikki Sevven
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    It's actually even more interesting, because your brain creates new pathways. Just like it does when you forsake a bad habit for a good one.

    Zero
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    And 21 days to permanently change a habit..

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    #47

    No matter how warm or hot the outside cold air is our nose changes it to 98F immediately breathing it in.

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    Stardust she/her
    Community Member
    Premium
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Could this explain why breathing in chilly air hurts? Does it have to do with this process or is it completely independent

    #48

    The length of a person's arm span is approximately equal to their height.

    bilingual_cat Report

    Senjo Krane
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    They mean both arms stretched out. Leonardo da Vinci shows this in that famous sketch Vitruvian Man.

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    #49

    Young man smiling outdoors with headphones, illustrating concepts related to the mammalian dive reflex in the human body. The sound of women's voices triggers the part of a man's brain that is triggered when listening to music.

    therealdustan , maks_d/unsplash Report

    Kira Okah
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Quit this, this "fact" is bs.

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    *studies suggest that the sounds and musical qualities (prosody) of women's voices activate similar brain areas for men as music does, specifically the auditory cortex, which processes complex sounds, while male voices often trigger the "mind's eye" for self-comparison, making female voices a richer, more complex auditory experience for men that engages deeper processing, like listening to music. * see the study by Sheffield University for more details.

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    Laserleader
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What part is triggered when hearing a deeper women's voice or a mans voice?

    Skara Brae
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    What if you're listening to Yoko Ono?

    UnclePanda
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Then there's nothing we can do to you that's worse than what you're doing to yourself.

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    Billo66
    Community Member
    Premium
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    LOL you have obviously never heard my Ex at karaoke. Made William Hung sound like Pavorotti.

    Harry Gondalf
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    A certain part of the brain of a human male lights up when he views a photograph of a tool. The same area lights up when spies a nubile female.

    NapQueen
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Unless you're Janice from Friends....

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    #50

    Bare feet resting on sandy beach, showing skin texture and sand grains, illustrating the mammalian dive reflex concept. * there are ~250,000 sweat glands in a pair of feet.

    * feet perspire more than any other part of the body

    * a pair of feet produce a 1/2 pint of sweat a day or a full pint if one wears non-breatheable footwear.

    eaglewatch1945 , Natalia Blauth/unsplash Report

    Laserleader
    Community Member
    4 weeks ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

    I call BS, maybe a few tablespoons if they have a severe sweating issue, but not a half pint. Thats 1 cup, or a quarter quart. Sweat would be pouring out the top of rubber boots if true.

    Debby Keir
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I'm sure you are as capable of fact checking as I am. *On an average day, your feet produce approximately half a pint (240-250 ml) of moisture. However, during extreme conditions such as hot weather or intense exercise, the total body sweat rate can soar to 3–4 liters per hour, and the feet's sweat glands can go into "overdrive". The feet have the highest concentration of sweat glands in the body, with roughly 250,000 glands between the pair. *

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    anne young
    Community Member
    4 weeks ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Who the hell says 'pair of feet'? Weird. It's just 'feet'.