The flow chart given here shows functional organization of the human neural system. Identify A to E and select the correct option.
A
A-PNS, B-CNS, C-ANS, D-Sympathetic neural system, E-Parasympathetic neural system
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B
A-ANS, B-CNS, C-PNS, D-Parasympathetic neural system, E-Sympathetic neural system
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C
A-CNS, B-PNS, C-ANS, D-Sympathetic neural system, E-Parasympathetic neural system
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D
A-ANS, B-PNS, C-CNS, D-Parasympathetic neural system, E-Sympathetic neural system
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Solution
The correct option is C A-CNS, B-PNS, C-ANS, D-Sympathetic neural system, E-Parasympathetic neural system
The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord. The peripheral nervous system (PNS) is one of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system. The PNS consists of the nerves and ganglia outside the brain and spinal cord. The autonomic nervous system (ANS), formerly the vegetative nervous system, is a division of the peripheral nervous system that supplies smooth muscle and glands, and thus influences the function of internal organs. The autonomic nervous system has three branches: the sympathetic nervous system, the parasympathetic nervous system and the enteric nervous system.
Thus, the correct answer is 'A-CNS, B-PNS, C-ANS, D-Sympathetic neural system, E-Parasympathetic neural system.'