The central nervous system of the body helps all the parts such as the digestive, endocrine, immune, lymphatic and muscular systems to communicate with each other.
We have 43 different pairs of nerves that connect our central nervous system to the rest of your body, and that 12 of these nerve pairs connect to the brain, while the remaining ones connect with the spinal cord.
Here are some fun facts about your nervous system:
- There are 100 billion neurons in your brain alone
- There are more nerve cells in your brain than there are stars in the Milky Way
- If you line up all the neurons in your body it will be around 965 km long
- 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 newborn baby’s brain grows almost 3 times during the course of its first year
- A newborn baby loses about half of their nerve cells before they are born
- There are about 13,500,00 neurons in the human spinal cord
- The nervous system can transmit nerve impulses as fast as 100 meters per second, and in some cases, the speed of transmission is around 180 miles per hour
- A man’s brain has 6.5 times more gray matter compared to women, but a woman’s brain has 10 times more white matter compared to men
- Your nervous system cannot function properly in the absence of potassium and sodium ions