Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
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
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Your body is creating and killing 15 million red blood cells per second!
14
When a person dies, hearing is usually the last sense to go.
124
Sex burns about 360 calories per hour.
861
The right lung takes in more air than the left.
30