what you should know about the human brain

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Do you want to know more about the brain? Read on?

  1. The average adult human brain weights
    approximately 3 pounds.
  2. The human brain is composed of
    approximately 75 percent water.
  3. The average weight of a newborn human
    infant brain is about 350 to 400 grams.
  4. Recent estimates suggest that the average
    adult brain contains approximately 86 billion

  5. Only about 10 percent of the brain is made
    up of neurons; the other 90 percent is mostly
    composed of glial cells. Glial cells perform a
    range of functions, including acting as a
    “glue” to hold neurons together. They also
    perform housekeeping functions by cleaning
    up excess neurotransmitters and supporting
    synaptic growth.
  6. The brain continues to form new
    connections between neurons throughout life.

Old beliefs suggested that the brain was fairly
set in stone early in life, but neuroscientists
now know that the brain never stops changing.
7. Among children and adults between the
ages of 1 and 44, traumatic brain injury is the
leading cause of disability and death.
8. The most common causes of traumatic
brain injury include falls, motor vehicles
crashes, and assaults.
9. The average size of the human brain has
decreased by about 9 cubic inches over the
past 5,000 years.
10. The brain uses a lot of energy.

While it represents only about 2 percent of the
body’s total weight, it requires about 20
percent of the body’s oxygen and 25 percent of
the body’s glucose.

Author: TheGoldendiamond

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