What are the main components of the nervous system?

The nervous system is a complex network of cells and tissues that controls and coordinates the functions of the body. It consists of two main components: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, which are the primary control centers for sensory, motor, and cognitive functions. The PNS comprises all the nerves and ganglia outside the CNS and is responsible for transmitting information between the CNS and the rest of the body. This system is crucial for maintaining homeostasis, regulating body movements, processing sensory input, and enabling communication and coordination throughout the body.

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