It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
There are about 1,400 different species of bacteria in your belly button.
10
Your body is creating and killing 15 million red blood cells per second.
50
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
The average sperm cell swims at 8 inches per hour.
76
Ingrown toenails are hereditary.
15