The average sperm cell swims at 8 inches per hour.
76
Within three days of death, the enzymes that once digested your food begin to eat you.
22
A human being loses an average of 40 to 100 strands of hair a day.
133
In one day, adult lungs move about 10,000 litres of air.
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
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
There's 100 trillion good bacteria living in your body.
17