Heart rate, digestion, breathing, and perspiration are all controlled by the autonomic nervous system.
The autonomic nervous system is a part of the peripheral nervous system and it controls different body functions like blood circulation, digestion, breathing, urination, heartbeat, etc.
It is given the name autonomic because it works without the voluntary efforts of a person. People don't have to put effort or think about it to make them function.
There are two types of Autonomic nervous system; the Sympathetic autonomic nervous and the Parasympathetic autonomic nervous system.
The sympathetic autonomic nervous system prepares the body to respond to environmental threats and the Parasympathetic autonomic nervous system maintains normal body functions.
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