Fun Fact Trivia All Around

Interesting Facts about the Human Brain

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1. The human brain weighs approximately 3.0 pounds. Human skin (all three layers) weighs approximately 20 pounds, intestines 7.5 pounds (large intestine: 4.0 lbs., small intestine: 3.5 lbs.), lungs 5 pounds (2.5 lbs. each), the liver 3.2 pounds, and the heart 0.6 pounds.

2. Déjà vu (French for "already seen") has never been fully explained, though some scientists believe that a neurological glitch causes an experience to be registered in the memory before reaching consciousness.

3. Albert Einstein's brain was removed within seven hours of his death by Princeton pathologist Thomas Stoltz Harvey (1912-2007). Harvey sectioned the preserved brain into 240 blocks and removed the eyes and gave them away. He kept pieces of the brain for himself and gave other pieces to other prominent pathologists. He was fired from Princeton Hospital because he refused to return the brain. Other brains that have been preserved include German mathematician Carl Friedrich Gauss, Vladimir Lenin, and the Native American Ishi.

4. While Einstein's brain weighed 1,230 grams, which is within normal human range, the brain had no parietal operculum in either hemisphere and had an enlarged Sylvan fissure. Certain parts of his brain also had more glial cells in relation to neurons.

5. The brain takes the longest of any organ to develop and goes through more changes than any other organ.

6. What appears as random bursts of light when people hit their heads is actually caused by a jolt to the brain cells responsible for vision. Stars most often appear following a blow to the back of the head because that is the location of the visual cortex.

7. A human brain is 75% water and has the consistency of tofu or gelatin.

8. While awake, a human brain can generate enough energy to power a light bulb (between 10-23 watts).

9. Scientists claim that the most complicated and mysterious thing in the universe is the human brain. Scientists know more about stars exploding billions of light years away than they know about the brain.

10. Ancient people thought that other organs, including the stomach and the heart, were more important than the brain. During the mummification process, for example, the ancient Egyptians would pull out pieces of the brain through the nose with a long iron hook and throw them away. They would, however, keep the stomach, liver, intestines, and heart.

REFERENCE: http://facts.randomhistory.com

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