Nervous system consists neural tissues comprises with blood vessels and connective tissues. It carries various messages to and from the brain and spinal cord to all over the body and transfer signals across different parts of the body. Involuntary functions are controlled by two divisions that are sympathetic and parasympathetic.

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Chapter 42, Problem 3U

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Nervous system consists neural tissues comprises with blood vessels and connective tissues. It carries various messages to and from the brain and spinal cord to all over the body and transfer signals across different parts of the body. Involuntary functions are controlled by two divisions that are sympathetic and parasympathetic.

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