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  1. Caawiye Member

    The nervous system is a complex network of specialized cells, tissues, and organs that coordinates and regulates the body’s responses to internal and external stimuli. It is composed of two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS).

    The CNS consists of the brain and spinal cord, which are responsible for processing and integrating information from sensory neurons and sending out motor commands to muscles and organs. The brain is also responsible for higher cognitive functions such as thinking, memory, and emotion.

    The PNS consists of all the nerves and ganglia outside of the CNS, including sensory neurons that carry information from the body’s senses to the CNS, and motor neurons that carry commands from the CNS to muscles and organs throughout the body. The PNS can be further divided into the somatic nervous system, which controls voluntary movements, and the autonomic nervous system, which controls involuntary functions such as heart rate, breathing, and digestion.

    The nervous system plays a critical role in maintaining homeostasis, or balance, within the body by coordinating and regulating the activities of other organ systems. It is also involved in learning, memory, and many other complex cognitive and behavioral processes.

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