Here are some interesting and fascinating facts about our very own nervous system.
Did you know that:
1. Causes of spinal cord injuries include motor vehicle accidents (44%), acts of violence (24%), falls (22%), sports (two-thirds of these are from diving accidents) (8%), and other (2%).
2. There are 31 pairs of spinal nerves.
3. If all of the neurons in a person's body were lined up that line would stretch to a length of 600 miles.
4. The average adult male brain weighs 1375 g while the average adult female brain weighs 1275 g.
5. Only 4 percent of brain cells are actually used while the rest are kept in reserve.
6. On average, there are 100 billion neurons in the human brain.
7. The right side of the brain controls the left side of the body and the left side of the brain controls the right side of the body.
Sources:
http://www.ehow.com/facts_5669402_nervous-system-fun-kids.html
Bonus Point Question:
Explain why the brain is like a toolbox.