The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement. It is divided into two primary parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and the spinal cord. The brain acts as the body's control center, processing sensory information and coordinating responses. The spinal cord functions as a major signaling pathway for the brain and the rest of the body.
Extending from the CNS, the PNS reaches the limbs and organs, facilitating communication to the farthest parts of the body. The PNS is branched into the somatic nervous system and the autonomic nervous system.
The intricate interaction between the CNS and PNS allows for coordinating complex behaviors and maintaining homeostasis. This dynamic system ensures that the body can adapt to internal and external stimuli, maintaining overall health and functionality.
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