There are about 1,400 different species of bacteria in your belly button.
10
Within three days of death, the enzymes that once digested your food begin to eat you.
22
There's 100 trillion good bacteria living in your body.
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
Your thumb is about the same size as your nose.
124
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118