There's 100 trillion good bacteria living in your body.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The human body contains over a billion miles of DNA.
147
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
A human being loses an average of 40 to 100 strands of hair a day.
133
In one day, adult lungs move about 10,000 litres of air.
11
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199