Fun Facts and Trivia It is impossible for most people to lick their own elbow. ... A crocodile cannot stick its tongue out. A shrimp's heart is in its head. It is physically impossible for pigs to look up into the sky. The "sixth sick sheik's sixth sheep's sick" is believed to be the toughest tongue twister in the English language.

Did you know facts about the human body? As you breathe, most of the air is going in and out of one nostril. ... Blood makes up about 8 percent of your total body weight. The human nose can detect about 1 trillion smells. You have two kidneys, but only one is necessary to live. Belly buttons grow special hairs to catch lint.

What is radius ????

What is diagonal..????

Why Dead Sea is called Dead Sea?

Is amoeba is unicellular or multicellular......