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Brain Facts

  1. Our modern human brains are energy guzzlers’ using up about 20% of the oxygen in our blood and 25 percent of circulating blood glucose [sugar].
  2. 94% of the brains oxygen is used by the brains grey matter and 6% by the white matter.
  3. The brain is the fattest organ in the body – its composition being 60% fat.
  4. The brain has enough electrical power to light a 25-watt bulb.
  5. Your brain generates more electrical impulses in a singe day than all the telephones in the...
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