Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
In one day, adult lungs move about 10,000 litres of air.
11
The human body contains over a billion miles of DNA.
147
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118