20 amazing facts you should know

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The reason honey is so easy to digest is because it has already been digested by a bee.

Roosters cannot crow if they cannot extend their necks.
The color blue has a calming effect. It causes the brain to release calming hormones.
Every time you sneeze some of your brain cells die.
Your left lung is smaller than your right lung to make room for your heart.
The verb “cleave” is the only English word with two synonyms which are antonyms of each other: adhere and separate.

When you blush, the lining of your stomach also turns red.
When hippos are upset, their sweat turns red.
The first Harley Davidson motorcycle was built in 1903, and used a tomato can for a carburetor.
The lion that roars in the MGM logo is named Volney.
Google is actually the common name for a number with a million zeros.

Switching letters is called spoonerism. For example, saying jag of Flapan, instead of flag of Japan.
It cost 7 million dollars to build the Titanic and 200 million to make a film about it.
The attachment of the human skin to muscles is what causes dimples.
There are 1,792 steps to the top of the Eiffel Tower.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
Human hair and fingernails continue to grow after death.
It takes about 20 seconds for a red blood cell to circle the whole body.
The plastic things on the end of shoelaces are called aglets.
Most soccer players run 7 miles in a game.
The only part of the body that has no blood supply is the cornea in the eye. It takes in oxygen directly from the air.