You're born with 300 bones, but when you get to be an adult, you only have 206!
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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Your heart beats over 100,000 times a day!
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Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
25% of your bones are located in your feet.
12
The male fetus is capable of attaining an erection during the last trimester.
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The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
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