There are about 1,400 different species of bacteria in your belly button.
10
Your body is creating and killing about 2.4 million red blood cells per second.
17
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Ingrown toenails are hereditary.
15
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Human teeth are almost as hard as rocks!
47