If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The longest a person has survived after a heart transplant is 24 years.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
False killer whales
The Sun in false-color ultraviolet image
Administration of abdominal thrusts (the Heimlich maneuver) to (A) a conscious victim and (B) an unc