Autonomic nervous system - Wikipedia
https://en.m.wikipedia.org/wiki/Autonomic_nervous_system
WEBThe autonomic nervous system ( ANS ), formerly referred to as the vegetative nervous system, is a division of the nervous system that operates internal organs, smooth muscle and glands. [1] The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions, such as the heart rate, its force of ...
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