Human hair and fingernails continue to grow after death.
7
It takes about 20 seconds for a red blood cell to circle the whole body.
102
By weight, Bone is five times stronger than steel.
417
A person can live without food for about a month, but only about a week without water.
156
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Gorillas can catch human colds and other illnesses.
205
Poor eyesight (myopia) is associated with higher IQ.
232