Nervous system connects the brain to all parts of the body through the spinal cord.
This system consists of brain, spinal cord and nerves.
We know, different parts of our body perform different work for us. The brain receives messages from different sense organs and other parts of our body. It also sends out orders to them through the nerves and the spinal cord.
Thus the brain and the spinal cord control the functioning of all organs. This system controls all the actions like seeing, hearing, speaking, learning, etc. The brain enables us to think and learn.