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Interesting Facts About The Human Brain

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Uploaded by on Oct 5, 2011

http://www.encognitive.com
Interesting Facts About the Brain

1. The average weight of the adult brain is 3 pounds. However, Albert Einstein's brain weighed 2.71 lbs, which is less than the human average of 3 lbs.

2. Your brain is about 2% of your total body weight but uses 20% of your body's energy.

3. Your brain is constantly communicating--more electrical impulses are generated in one day by a single human brain than by all the telephones in the world.

4. Your brain is always thinking, at a rate of 70,000 thoughts on an average day.

5. Our brain can survive for 4 to 6 minutes without oxygen. After that, our brain cells begin to die.

6. Each person has about the same number of brain CELLS at birth as in adulthood, but those cells grow, reaching maximum size at about age six.

7. The brain is made of about 77-78% water, 10-12% lipids, 8% protein, 1% carbohydrates, 2% soluble organics, 1% inorganic salt.

8. The cerebral cortex makes up 85% of the brain in size.

9. There are about 100 billion neurons in our brain, which is the same number of stars as in our Milky Way Galaxy.

10. The cerebellum is only 10% of the brain but it contains 50% of all the brain neurons.

11. The left hemisphere of our brain has 186 million more neurons than the right hemisphere.

12. After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year. However, mental activity stimulates the creation of new neurons throughout your whole life. So keep your brain busy with mental activities and games.

Model: Alana Ferrier

Category:

Education

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  • Looks like that wind is bothering her. lol :3

    She so beautiful!!

  • Shes gorgeous!!!

  • All I Learnt Ma Brain Was Very Happy Watching such a Beautiful.........Video ;)

  • lol thanks, thats me btw it was my first ever gig on camera lol great time and the owner of encognitive is awesome to work with. Check out my page. :) Thanks!

  • Wow, great vid, keep it up, one recomendation put up large cue cards near the camera so it seems more fluid and natural, but great job !

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