There are about 1,400 different species of bacteria in your belly button.
10
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
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Your body is creating and killing about 2.4 million red blood cells per second.
17
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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