10 Amazing Brain Facts You Should Know

1. The human brain has about 100,000,000,000 or 100 billion neurons. From the age of 35 years, about 7,000 neurons are lost daily.

2. During early pregnancy, the neurons in the foetus can multiply at a rate of 250,000 neurons per minute.

3. The brain is composed of 75% to 80% water. Dehydration can affect proper functioning of brain.

4. The brain consists of 60% white matter and 40% grey matter. White is the supporting matter and grey is the thinking matter of the brain. If the brain is a computer, the grey matter would be the computer itself and the white matter is its cables.

5. Adult brain weighs about 3 pounds or 1,300g to 1,400g. This is about 2% of the body weight if you weigh 150 pounds or 70kg. Sperm whale’s brain weights 7,800g.

6. Although the brain only accounts for 2 percent of our body weight, it consumes 20% oxygen that we breathe and roughly 20 percent of our daily calories

7. 15% to 20% of all blood pumped out of the heart goes directly to the brain

8. All the thinking in the brain is about electricity and chemicals. The brain is more active and thinks more at night than during the day.

9. The brain itself is incapable of feeling pain. Once the skill is opened it is possible to operate on the brain with the patient awake.

10. You can’t feel your own tickle either. The brain is smart enough to neutralize the sensation. The cerebellum sends a signal to the rest of the brain of your intentions and as a result the sensation is ignored.