Question

Autonomic nervous system

Answer 1

Answer:

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.

[1]The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions such as the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.[2] This system is the primary mechanism in control of the fight-or-flight response.

Answer 2

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• The autonomic nervous system consists of a pair of chains of nerves and ganglia on either side of the backbone. Ganglia is a cluster of nerve cells. It controls all the involuntary activities of various body viscera (means internal body organs, especially those in the abdomen). Autonomic nervous system includes body functions of eye, heart, lung, liver stomach, and many more organs It is of two types - sympathetic nervous system and parasympathetic nervous system