Amazing Facts

10 fun facts of the nervous System




- There are more nerve cells in the human brain than there are stars
in the Milky Way.

- If we lined up all the neurons in our body it would be around 600
miles long.

- There are 100 billion neurons in your brain alone.

- A newborn baby's brain grows almost 3 times during the course of
its first year.

- The left side of human brain controls the right side of the body
and the right side of the brain controls the left side of the body.

- A New born baby

loses about half of their nerve cells before they are born.

- As we get older, the brain loses almost one gram per year.

- There are about 13, 500,00 neurons in the human spinal cord.

- The total surface area of the human brain is about 25, 000 square
cm.

- The base of the spinal cord has a cluster of nerves, which are
most sensitive.

- An average adult male brain weighs about 1375 grams.

- An average adult female brain is about 1275 grams.

- Only four percent of the brain's cells work while the remaining
cells are kept in reserve.

- Neurons do not under go mitosis

- Neurons are the largest cells in the human body. (They can be up
to 3 feet long)

- The Nervous System can transmit impulses as fast as 100 meters per
second.

- Potassium and sodium ions are vital to the proper functioning of
the Nervous System.


   
Related Tags: Nerves  Brain  Human  
 
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