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Facts About Our Brain

The brain performs an incredible number of tasks

  • It controls body temperature, blood pressure, heart rate and breathing.
  • It accepts a flood of information about the world around you from your various senses (seeing, hearing, smelling, tasting, touching, etc).
  • It handles physical motion when walking, talking, standing or sitting.
  • It lets you think, dream, reason and experience emotions.

Brain Facts

  • Brain imaging studies show that human feelings originate inside the brain.
  • The human brain structure is almost fully developed by age 11, though some higher self-management brain functions continue to develop into the mid 20’s.
  • The diameter of an individual brain neuron is 4 microns, meaning 30,000 could fit on the head of a pin.
  • The human brain has 10 billion neurons, making it the most powerful learning tool in the world.
  • Each single brain neuron has from 1,000 to 10,000 connections with other neurons, making up to 10 trillion neuron connections possible.
  • Alcohol interferes with brain processes by weakening connections between neurons.
  • The same part of the brain interprets both your physical and emotional pain.
  • Stress over long periods can weaken the brain’s ability to learn and remember.
  • A dog’s brain is 19 times smaller than a human adult brain; an elephant’s brain 4 to 5 times bigger than ours.
  • An adult bottle-nosed dolphin’s brain is about the size of a human adult’s brain.
  • The average adult’s brain weighs 3 to 4 lbs. but consumes 20% of the body’s supply of oxygen.
  • Loss of oxygen for even 5 to 10 minutes can cause serious brain damage.
  • Our brain requires 20% of the entire body’s blood flow.
  • The human brain contains 400 miles of blood vessels.
  • Brain imaging functional MRI equipment measures blood flow and provides a picture of brain activity during actual emotional experiences.
  • There is no sense of pain within the brain itself. This allows neurosurgeons to probe areas of the brain while the patient is awake.
  • A living brain is so soft you could cut it with a butter knife.
  • Brain messages travel between neurons in just one thousandth of a second.
  • Each time you have a new thought or memory, a new brain connection is made between two or more brain cells.
  • Your brain generates up to 25 watts of power while you're awake---enough to illuminate a light bulb.

Last Updated (Thursday, 12 April 2012 08:55)

 

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