Saturday, September 21, 2013
Amazing Facts About Brain
There are many facts about Brain But these are the Amazing facts about Brain
- The diameter of an individual brain neuron is just 4 microns thick, you could fit 30,000 neurons on the head of a pin.
- Your brain generates nearly 25 watts of power while you're awake, which is enough to light up a light bulb.
- Alcohol interferes with brain processes by weakening connections between neurons.
- Every time you have a new thought, or recall a memory, a new brain connection is made between two or more brain cells.
- A living brain is so soft you could cut it with a table knife.
- Loss of oxygen for just 5 to 10 minutes can cause serious brain damage. The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
- The average adult's brain weighs 3 - 4 lbs. but consumes 20% of the body's oxygen supply.
- The human brain contains around 400 miles of blood vessels.
- There is no sense of pain within the brain itself which explains why brain surgeons can probe areas of the brain even when the patient is awake.
- The left side of your brain (left hemisphere) controls the right side of your body; and, the right side of your brain (right hemisphere) controls the left side of your body.
- Your cerebral cortex is about as thick as a doctors tongue depressor and it grows thicker as you learn more.
- You will lose consciousness in 10 seconds after the loss of blood supply to the brain.
- Of all creatures on earth humans have the most complex brain.
- Differences in brain weight and size do not equal differences in mental ability.
- If stretched out the cerebral cortex would be 0.23 sq. m or 2.5sq.ft.
- Average surface area of the cerebral cortex is 2,500 cm 2 or 2.69 sq.ft.
- There are about 100 billion neurons in the human brain, the same number of stars in our galaxy.
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