There are about 1,400 different species of bacteria in your belly button.
10
Your thumb is about the same size as your nose.
124
In one day, adult lungs move about 10,000 litres of air.
11
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Within three days of death, the enzymes that once digested your food begin to eat you.
22