The nervous system is made up of billions of nerve cells, which carry electrical messages all around the body. It has two main parts: the central nervous system (CNS), made up of the brain and the spinal cord; and the peripheral nervous system PNS), made up of all the nerves that run through the central nervous system to the rest of the body.
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MR.SANJEEV
The nervous system is made up of billions of nerve cells, which carry electrical messages all around the body. It has two main parts: the central nervous system (CNS), made up of the brain and the spinal cord; and the peripheral nervous system PNS), made up of all the nerves that run through the central nervous system to the rest of the body.