The nervous system communicates with muscles by sending messages. The peripheral nervous system, consisting of cranial nerves from the brain and spinal nerves from the spinal cord, facilitates communication between the central nervous system and other parts of the body.
How does the nervous system communicate with muscles, and what is the role of the peripheral nervous system?
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The nervous system communicates with muscles through motor neurons. Motor neurons, originating in the central nervous system (CNS), convey signals to muscles, leading to contraction or relaxation. The peripheral nervous system (PNS) serves as a crucial link between the CNS and peripheral tissues, including muscles. It comprises sensory neurons that transmit information from sensory organs to the CNS and motor neurons that convey commands from the CNS to muscles and glands. The PNS facilitates voluntary movements (somatic division) and involuntary activities (autonomic division), ensuring coordinated responses and maintaining homeostasis in the body.