In one day, adult lungs move about 10,000 litres of air.
11
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
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.
21
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
A person can live without food for about a month, but only about a week without water.
156
If you hold farts in during the day, they'll just come out when you sleep.
16
You see your nose at all times, your brain just chooses to ignore it.
30