If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are about 1,400 different species of bacteria in your belly button.
10
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
A person can live without food for about a month, but only about a week without water.
156
Your body is creating and killing about 2.4 million red blood cells per second.
17
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Held in farts enter your bloodstream and are bad for your body.
26