If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Every hour one billion cells in the body must be replaced.
17
At age 70, more than 70 percent of men are still potent!
29
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Every time you sneeze some of your brain cells die.
113