In one day, adult lungs move about 10,000 litres of air.
11
The human brain doesn't stop developing until about 25 years old.
102
Held in farts enter your bloodstream and are bad for your body.
26
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
There are about 1,400 different species of bacteria in your belly button.
10