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
There's 100 trillion good bacteria living in your body.
17
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
A human being loses an average of 40 to 100 strands of hair a day.
133
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
One human hair can support 3 ounces.
191