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How much do you actually know about your own body and how it works? Which organs do what, or what surprising discoveries science has made along the way?

Well, now’s your chance to find out. We’ve rounded up some curious facts and fascinating tidbits from the Facebook page Medical Journal Daily. Scroll down to see how many you already knew and how many will catch you off guard. And of course, don’t forget to upvote your favorites as you go. Enjoy!

This post may include affiliate links.

#1

Man sitting on a basketball with an artificial heart device backpack pumps blood, reflecting curious medical facts about muscles.

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Final score:
140points
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    #2

    Glass of green juice with lemon wedges and apple, illustrating medical facts about fingers containing no muscles.

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    Final score:
    129points
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    #3

    Medical professional examining young man’s reattached arms after a farming accident, illustrating curious medical facts.

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    Final score:
    111points
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    #4

    NHS medical staff holding adapted urinal devices promoting comfort and dignity for immobile female patients in hospitals.

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    Final score:
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    #5

    Woman in a white coat showing fatigue and pain, illustrating medical facts about symptoms often misdiagnosed in women.

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    Final score:
    84points
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    #6

    Close-up of a woman's face showing nose details, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    77points
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    #7

    Daniel Tammet, a savant, visualizes numbers as shapes and colors, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    70points
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    #8

    Close-up of conjoined twins’ hands illustrating unique neurological connection linked to fingers that contain no muscles.

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    Final score:
    70points
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    #9

    A girl with a rare condition showing strength, highlighting curious medical facts about fingers containing no muscles.

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    Final score:
    69points
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    #10

    Four researchers wearing masks closely examine a machine, related to curious medical facts about fingers containing no muscles.

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    Final score:
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    #11

    Boy in water with starfish on head, showing thumb up, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    68points
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    #12

    Photographer Rick Guidotti speaking about genetics and unique appearances in a presentation promoting medical facts on fingers.

    medicaljournaldaily Report

    Final score:
    66points
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    #13

    Feet close-up on wet sand at sunset, highlighting foot health and medical facts about bones in human feet.

    medicaljournaldaily Report

    Final score:
    65points
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    #14

    Illustration of a glowing brain with electric blue highlights explaining curious medical facts about fingers containing no muscles.

    medicaljournaldaily Report

    Final score:
    65points
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    #15

    Model of gut and brain connected by arrows illustrating the gut-brain axis and its role in stress and anxiety medical facts.

    medicaljournaldaily Report

    Final score:
    64points
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    #16

    Woman working late in an office, highlighting medical facts about fingers containing no muscles and their unique anatomy.

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    Final score:
    61points
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    #17

    Close-up of a hand with fingers extended, illustrating the fact that fingers contain no muscles of their own.

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    Final score:
    54points
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    #18

    Illustration of the human gut highlighting neurons, related to curious medical facts about fingers containing no muscles.

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    Final score:
    54points
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    #19

    Florence Nightingale improving hospital sanitary conditions during the Crimean War in medical history context.

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    Final score:
    46points
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    #20

    Woman rubbing her eyes, illustrating a medical fact about fingers containing no muscles and pressure effects on the eyeball.

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    Final score:
    46points
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    #21

    Close-up of a human eye illustrating a medical fact about fingers containing no muscles and unique eye conditions like tetrachromacy.

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    Final score:
    44points
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    #22

    Elderly person wearing a conical hat laughing, highlighting a curious medical fact about fingers containing no muscles.

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    Final score:
    43points
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    #23

    Hand holding a book outdoors, illustrating curious medical facts about fingers containing no muscles and stress reduction benefits.

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    Final score:
    43points
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    #24

    Elderly man covering mouth yawning, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    42points
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    #25

    Close-up of body hair growth showing fine hairs on skin, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    42points
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    #26

    Feet sticking out from white bed sheets in soft morning light illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    40points
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    #27

    Close-up of a person touching a pimple on their chin, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    39points
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    #28

    X-ray image of knee bones shown with fact about bones denser mutation, related to fingers contain no muscles medical facts.

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    Final score:
    39points
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    #29

    Eucalyptus leaves with text about eucalyptus oil's medical benefits in a natural outdoor setting.

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    Final score:
    37points
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    #30

    Newborn baby feet wrapped in pink cloth, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    37points
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    #31

    Hand reaching toward sunlight over water, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    36points
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    #32

    Close-up of a person's Adam’s Apple highlighting medical facts about muscles in fingers and larynx anatomy.

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    Final score:
    36points
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    #33

    Child holding throat with red highlight, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    36points
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    #34

    Woman wrapped in a blanket staying warm indoors, illustrating medical facts about how fingers contain no muscles.

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    Final score:
    36points
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    #35

    Hand peeling flaky skin highlighting curious medical facts about fingers containing no muscles and skin shedding.

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    Final score:
    34points
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    #36

    Person pouring a carbonated drink into a glass filled with ice, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    34points
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    #37

    Person in plaid pajamas holding stomach and lifting toilet lid illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    34points
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    #38

    Smiling woman with closed eyes touching her face, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    33points
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    #39

    X-ray style image of the human throat with highlighted larynx muscles illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    32points
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    #40

    Close-up of a person holding their stomach, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    32points
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    #41

    Person holding their hand showing fingers, illustrating the medical fact about fingers containing no muscles.

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    Final score:
    31points
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    #42

    Human cell division shown with Hayflick Limit concept, explaining aging and DNA loss in this medical facts graphic.

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    Final score:
    31points
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    #43

    Boy blowing his nose with tissue, illustrating curious medical facts about fingers containing no muscles and virus transmission.

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    Final score:
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    #44

    Man wearing glasses resting his face on hand while looking at a screen, highlighting fingers contain no muscles fact.

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    Final score:
    30points
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    #45

    Bare feet walking on wooden planks illustrating curious medical facts about fingers containing no muscles and health benefits.

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    Final score:
    30points
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    #46

    Hand reaching toward sunlight over a mountainous landscape illustrating fingers contain no muscles fact.

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    Final score:
    29points
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    #47

    Human digestive tract anatomy illustrating stomach and intestines with information on digestion time and length.

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    Final score:
    29points
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    #48

    Illustration of the hyoid bone in the neck, highlighting curious medical facts about muscles and bones in the human body.

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    Final score:
    28points
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    #49

    3D illustration of a human brain highlighting medical facts related to fingers containing no muscles and brain structure differences.

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    Final score:
    28points
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    #50

    Man holding sore thigh muscle after workout, illustrating muscle soreness and medical facts about muscles.

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    Final score:
    22points
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    #51

    Wrinkled fingers shown after water exposure, illustrating that fingers contain no muscles and skin reacts to blood vessel contraction.

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    Final score:
    15points
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    #52

    Actress Marilu Henner smiling near a taxi, illustrating a curious medical fact about muscle anatomy in fingers.

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    Final score:
    15points
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    #53

    Interior of a wooden sauna with sunlight streaming through the window, highlighting steam in the air and wooden benches.

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    Final score:
    14points
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    #54

    A young girl in graduation attire symbolizes curious medical facts about fingers containing no muscles in the human body.

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    Final score:
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    #55

    Two people walking on a path illustrating medical facts about fingers containing no muscles and exercise benefits.

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    Final score:
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    #56

    Cross-section illustration of a human tooth paired with medical facts about muscle absence in fingers and tooth regeneration research.

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    Final score:
    14points
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    #57

    Man wearing a black mask coughing, with highlighted lungs illustrating odor receptors regulating airflow and detecting harmful substances.

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    Final score:
    12points
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    #58

    Sleeping baby being held close, illustrating curious medical facts about fingers contain no muscles and infant anatomy.

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    Final score:
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    #59

    Close-up of a human eye highlighting a curious medical fact related to fingers containing no muscles.

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    Final score:
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    #60

    Showerhead spraying water droplets with text about health benefits related to muscles and medical facts.

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    #61

    Seven-year-old boy in hospital bed with family, highlighting curious medical facts about fingers containing no muscles.

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    Final score:
    12points
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    #62

    Close-up of a person’s leg with visible varicose veins, highlighting curious medical facts about fingers contain no muscles.

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    Final score:
    11points
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    #63

    Close-up of oats with beta-glucan fiber highlighting health benefits related to obesity in medical facts.

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    Final score:
    11points
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    #64

    Close-up of a person receiving a Botox injection, illustrating curious medical facts about muscles and pain relief.

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    Final score:
    10points
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    #65

    Close-up of an eye showing the epicanthic fold, illustrating a curious medical fact about human anatomy and evolution.

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    Final score:
    10points
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    #66

    Cancer cells shown among red blood cells with text explaining DNA mutations and immune response failure.

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    Final score:
    10points
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    #67

    Newborn baby crying just after birth, highlighting curious medical facts about fingers containing no muscles.

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    Final score:
    10points
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    #68

    Woman eating a pink donut from the fridge, illustrating curious medical facts about hunger and nutrient signals in the body.

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    Final score:
    10points
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    #69

    Close-up of a skin pore clogged with blackheads illustrating medical facts about fingers containing no muscles and skin anatomy.

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    Final score:
    10points
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    #70

    Young woman with puffy cheeks holding her stomach, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    10points
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    #71

    Cubed raw red meat on a wooden board illustrating medical facts about processed meat and dementia risk.

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    Final score:
    10points
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    #72

    Two people on a roller coaster experiencing thrill with focus on curious medical facts about fingers containing no muscles.

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    Final score:
    10points
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    #73

    X-ray of an elbow showing heterotopic ossification where muscle and connective tissue turn into bone, a rare medical condition.

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    Final score:
    10points
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    #74

    Close-up of a hand showing skin texture with a fact about nerve damage and finger muscles explained by medical insights.

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    Final score:
    9points
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    #75

    Close-up of skin with moles examined under a magnifying glass, illustrating unique medical facts about the human body.

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    Final score:
    9points
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    #76

    Red blood cells flowing through a vein, illustrating curious medical facts about blood and human biology.

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    Final score:
    9points
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    #77

    Close-up of a child holding a lollipop near their mouth illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    9points
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    #78

    Woman blowing nose with tissue, illustrating a curious medical fact about muscles and sneezing reflex during sleep.

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    Final score:
    9points
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    #79

    Young woman with red hair smiling outdoors, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    8points
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    #80

    Legs of a person wearing shorts and socks, illustrating muscle contractions that help veins pump blood smoothly.

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    Final score:
    8points
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    #81

    Illustration showing hair texture determined by follicle shape with round, oval, and elliptical follicles and hair types.

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    Final score:
    8points
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    #82

    Woman blowing nose with tissue, illustrating curious medical facts about fingers containing no muscles and body responses.

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    Final score:
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    #83

    Close-up of a human ear with text explaining a rare inner ear condition related to curious medical facts and fingers containing no muscles.

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    Final score:
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    #84

    Close-up of a human ear illustrating curious medical facts related to fingers containing no muscles and sound perception.

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    Final score:
    8points
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    #85

    Person showing sweat stains under the arm on a blue shirt, illustrating sweat glands and medical facts about fingers.

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    Final score:
    7points
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    #86

    Person using nail clippers on fingernail, highlighting curious medical facts about fingers containing no muscles.

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    Final score:
    7points
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    #87

    Human body with highlighted diaphragm in orange, illustrating curious medical facts about muscle and nerve pathways.

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    Final score:
    7points
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    #88

    Woman with a concerned expression touching her throat, illustrating muscles and stress effects in a medical context.

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    Final score:
    7points
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    #89

    Woman holding her mouth and stomach seated on a couch, illustrating medical facts about fingers containing no muscles.

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    Final score:
    7points
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    #90

    Three redheaded young women in white shirts, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    7points
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    #91

    Close-up of hands cracking knuckles explaining the medical fact that fingers contain no muscles in the joints.

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    Final score:
    7points
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    #92

    Close-up of two female lips showing study on lip size preferences, relating to curious medical facts about fingers containing no muscles.

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    Final score:
    6points
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    #93

    Close-up of a thumb showing Beau's lines, illustrating disrupted nail growth from illness and nutritional deficiencies.

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    Final score:
    6points
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    #94

    Young woman holding a glass of wine with a surprised expression illustrating curious medical facts about body enzymes.

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    Final score:
    6points
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    #95

    Person working late on computer in dark office, illustrating medical facts about fingers contain no muscles.

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    Final score:
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    #96

    Orange soup in a jar with pumpkin seeds, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    5points
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    #97

    Bananas contain potassium-40, a radioactive isotope, exposing you to tiny radiation—fingers contain no muscles medical fact.

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    Final score:
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    #98

    X-ray of a hand highlighting the pisiform bone, illustrating that fingers contain no muscles but rely on wrist tendons and bones.

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    Final score:
    4points
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    #99

    Woman in pink bathrobe and towel holding her nose, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    4points
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    #100

    Woman with long hair holding perfume near neck pulse point, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    4points
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    #101

    Blue flame on a gas stove burner demonstrating a medical fact about fingers and muscles in the human body.

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    Final score:
    3points
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    #102

    X-ray image of dense bones related to curious medical facts about fingers containing no muscles and bone mutations.

    medicaljournaldaily Report

    Final score:
    -7points
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    #103

    Hand reaching towards the sunlight over water, illustrating curious medical facts about fingers containing no muscles.

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    Final score:
    -8points
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