The Parasympathetic Nervous System (PNS) is one of two parts of the autonomic nervous system. The PNS controls the body when at rest and is responsible for the “rest and digest” function. The PNS originates in the medulla.The parasympathetic system counterbalances the effects of the sympathetic system, helping to maintain overall equilibrium.
How Your Body Controls Breathing. (2022, March 24). NHLBI, NIH. https://www.nhlbi.nih.gov/health/lungs/body-controls-breathing