Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human body contains over a billion miles of DNA.
147
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
One human hair can support 3 ounces.
191
Your body is creating and killing about 2.4 million red blood cells per second.
17
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111