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.