The parasympathetic nervous system (PNS) controls homeostasis and the body at rest and is responsible for the body’s “rest and digest” function. The sympathetic nervous system (SNS) controls the body’s responses to a perceived threat and is responsible for the “fight or flight” response.
The PNS and SNS are part of the autonomic nervous system (ANS), which is responsible for the involuntary functions of the human body.
Learn more about the difference between the nervous systems here.
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