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Facts about the BrainCategory: (general)
Thursday, 21 October 2010
11:28:55 PM (GMT)
Average dimensions of the adult brain: Width = 140 mm/5.5 in, Length = 167 mm/6.5
in, Height = 93 mm/3.6 in.

 How much does human brain weigh? At birth our brains weigh and average of 350-400g
(about 4/5 lbs), as adults the brain averages 1300-1400g (about 3 lbs).

750-1000ml of blood flow through the brain every minute or about 3 full soda cans.

The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin to
die.

Results from cognitive tests show 30% of 80-year-olds perform as well as young
adults.

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

The energy used by the brain is enough to light a 25 watt bulb.

More electrical impulses are generated in one day by a single human brain than by all
the telephones in the world.

How much does human brain think? 70,000 is the number of thoughts that it is
estimated the human brain produces on an average day.

After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.


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