Medical Facts: The Brain

The brain is the most complex organ in the human body, and perhaps the most remarkabale. Some interesting facts you should know:
1. 80% of our brain consist of water
2. There is a report that said the higher your IQ the more you will dream
3. Our brain is more active at night compare to day
4. Nerve impulses to and from the brain travel as fast as 170 miles per hour
5.  The brain operates on the same amount of power as 10-watt light bulb

6. The human brain cell can hold 5 times as much information as the Encyclopedia Britannica 7. Your brain uses 20% of the oxygen that enters your bloodstream 8. Neurons continue to grow throughout human life. 9. Information travels at different speeds within different types of neurons 10. The brain itself cannot feel pain