A sneeze travels out of your mouth at over 100 mph! See more

On average, 100 people choke to death on ball-point pens every year, so don't stick it in your mouth! See more

A crocodile's tongue is attached to the roof of its mouth and he cannot move it. See more

You cannot sneeze with your eyes open. See more

There are more bacteria in your mouth than the human population of the U.S.A. and Canada combined. See more