In one day, adult lungs move about 10,000 litres of air.
11
There are about 1,400 different species of bacteria in your belly button.
10
The human body contains over a billion miles of DNA.
147
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89