The term central nervous system refers to the

Central nervous systems refers to all the nerves within the body that controls the body's activity. It's controls the nerves from the brain to all body parts. It also controls how the brain functions and how we think. The central nervous systems helps us eat, think, move, etc.

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The central nervous system is a system made up of nerves sending messages to and from the brain.

Hold on to his or her beliefs even if there is no evidence for those beliefs.