The system is a complex network of nerve cells that carry messages to and from the brain and spinal cord to different parts of the body and so helps all parts of the body communicate with each other.
The brain (the powerhouse of the body!) controls the nervous system.
The brain has many billions of neural cross-connections.
The brain overseas the working of the body, while its higher functions provide us with consciousness and making us who we are.
2 functions:
1) To collect, process and respond to information in the environment.
2) To co-ordinate the working of different organs and cells in the body.
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