There are about 1,400 different species of bacteria in your belly button.
10
If you hold farts in during the day, they'll just come out when you sleep.
16
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
One human hair can support 3 ounces.
191
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89