A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The chemicals indole and skatole, which help to account for the particular smell of human feces, are used as ingredients in perfume!
-3
Banging your head against a wall uses 150 calories an hour.
57
Your heart rate can rise as much as 30% during a yawn.
69
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
