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... annot fail to talk about the nervous system.
The nervous system is the system that plays a leading role in the regulation of physiological functions and activities in the body. It is mainly composed of nervous tissues and is divided into two parts: the central nervous system and the peripheral nervous system. The central nervous system includes the brain and spinal cord, and the peripheral nervous system includes the cranial and spinal nerves.
The central nervous system is the main ...
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