The nervous system is one of two communication systems that the body uses to convey information from one cell to another – the other is the endocrine system. The nervous system includes the brain, spinal cord and all the peripheral nerves of the body.

Published in Harbor Porpoise

The nervous system is made up of the brain and spinal cord (the central nervous system or CNS) and the all the other nerves of the body (the peripheral nervous system or PNS).

Published in California Sea Lion