The strongest muscle in the body is the tongue. See more

A chameleon's tongue is twice the length of its body. See more

All the chemicals in the human body have a combined value of approximately £4.00. See more

The "sixth sick sheik's sixth sheep's sick" is said to be the toughest tongue twister in the English language. See more

In Tibet it is considered good manners to stick out your tongue at someone. See more

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

A crocodile cannot stick its tongue out. See more

Your muscles make up about one-half of your body weight. See more

About 70 percent of your body weight is water. See more

Like fingerprints, everyone's tongue print is different. See more

A flea can jump 350 times its own body length. See more

It takes about 20 seconds for a red blood cell to circle the whole body. See more

One quarter of the bones in your body, are in your feet. See more

A giraffe can clean its ears with its 21-inch tongue. See more