(a) Name the structural and functional unit of the nervous system.
(b) Draw a flow chart to show the classification of nervous system into various parts.
(c) What is autonomic nervous system? What is its function?
(d) What is voluntary nervous system? Explain the working of voluntary nervous system with an example.
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Explanation:
Neurons are the structural and functional units of the nervous system. They consist of a cell body, dendrites, and axon.
Basic functional units of the sympathetic and the parasympathetic nervous systems are preganglionic and postganglionic neurons. ... Postganglionic neurons have cell bodies that are clustered in so-called ganglia and axons that innervate target visceral structures.
Major functions of the somatic nervous system include voluntary movement of the muscles and organs and reflex movements. In the process of voluntary movement, sensory neurons carry impulses to the brain and the spinal cord. ... In this process, the sensory neurons are imbedded in the spinal cord.
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