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
Human teeth are almost as hard as rocks!
47
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The tongue is the strongest muscle in the human body.
50
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
The skin on your lips is 200 times more sensitive than your fingertips.
345
Midgets and dwarfs almost always have normal sized children.
54
Your body is creating and killing 15 million red blood cells per second.
50