What are the two main parts of the nervous system?

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The two main parts of the nervous system are the central nervous system and the peripheral nervous system. The central nervous system, which comprises the brain and spinal cord, is responsible for processing and transmitting information. It acts as the control center of the body, integrating sensory information and coordinating responses. The peripheral nervous system includes all the nerves that branch out from the central nervous system to the rest of the body, facilitating communication between the brain, spinal cord, and limbs or organs.

This distinction is crucial for understanding how the body functions, as each part plays a significant and complementary role in maintaining homeostasis and responding to stimuli. The incorrect options do not recognize the correct components of the nervous system; for instance, the "proximal nervous system" is not a recognized term in neuroanatomy, making it an invalid choice in identifying the main parts of the nervous system. Thus, acknowledging both the central and peripheral nervous systems provides a comprehensive understanding of how the nervous system operates as a whole.

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