There are many interesting fact about the brain that you never learned in history class, like your brain cannot feel pain because there are no nerves to register pain. We all know how important the brain is but how much do you really know about it?

Some fun facts-

1. The brain is 75% water
2. The brain stops growing when a person reaches 18 years of age.
3. A newborns brain grows three times in the 1st year.
4. When awake your brain generates 25 watts of energy.
5. The brain is 2% of a persons body weight about 1350g.
6. Every minute 750ml of blood pumps through your brain. The blood is what give the brain the pink color.
7. The brain is divided into two sides. Right and Left which control the opposite side of the body.
8. There are 100 billion neurons in the human brain.