The sympathetic and parasympathetic systems are two branches of the __________.

Question

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The sympathetic and parasympathetic systems are two branches of the autonomic nervous system, which is responsible for regulating the body's involuntary actions such as heart rate, breathing, and digestion. The peripheral nervous system includes all nerves outside of the central nervous system, while the central nervous system includes the brain and spinal cord. The spinal cord is part of the central nervous system and is responsible for transmitting messages between the brain and the rest of the body.

The Sympathetic and Parasympathetic Systems Are Two Branches of the __________