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Human Body facts

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    human body
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  • What is the average weight of an healthy adult brain?
    3 pounds
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  • How many liters of blood are in a person?
    5 liters
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  • Name an organ that never stops growing
    Ears
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  • How long can a brain survive without oxygen?
    6 hours
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  • How many muscles are in the human body?
    600 muscles aprox.
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  • What percentage of the body is water?
    60%
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  • What percentage of the oxygen and body supply is used by the brain?
    20%
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  • Name 5 human body systems
    (muscular, integumentary, digestive, respiratory, skeletal, nervous, endocrine, reproductive, circulatory)
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  • What is the largest cell in the human body?
    Egg cell
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  • Where is located the faster muscle?
    in the Eyes
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  • How many muscles are in your tongue
    8
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  • What percentage of the body weight can be supported by the big toe?
    40%
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  • What percentage of the hand strength is made by the pinky finger? (grabbing)
    About 50%
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  • True or false, Humans have a tail bone?
    true is called the coccyx
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  • How many muscles do you use when you talk?
    72
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  • Which is the rarest blood type in humans?
    AB blood
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