The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Only humans shed emotional tears.
331
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
One human hair can support 3 ounces.
191
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Poor eyesight (myopia) is associated with higher IQ.
232
Early American humans hunted car-size armadillos and used their shells for houses.
12
A man's beard grows fastest when he anticipates sex.
239