If you hold farts in during the day, they'll just come out when you sleep.
16
One human hair can support 3 ounces.
191
You see your nose at all times, your brain just chooses to ignore it.
30
Your body is creating and killing about 2.4 million red blood cells per second.
17
In one day, adult lungs move about 10,000 litres of air.
11
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130