Your body is creating and killing about 2.4 million red blood cells per second.
17
You see your nose at all times, your brain just chooses to ignore it.
30
In one day, adult lungs move about 10,000 litres of air.
11
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human body contains over a billion miles of DNA.
147
