2.83 Central Nervous System

1. The central nervous system is made up of the spinal cord and the brain. All the nerves branch out from the spinal cord. 
2. The Central Nervous System allows the body to respond to any changes in the environment.

How the CNS works: 

1. Nerve impulses from the receptors travel through sensory nerves till they reach the spinal cord and brain. 
2. The response is coordinated by the brain