Parasympathetic refers to one of the two main divisions of the autonomic nervous system (ANS), the other being the sympathetic nervous system. The autonomic nervous system regulates involuntary physiological functions, such as heart rate, digestion, and respiratory rate. Here’s a detailed overview of the parasympathetic nervous system: Overall, the parasympathetic nervous system plays a vital role in regulating the body’s restful and restorative processes. By managing the “rest and digest” functions, it helps maintain balance and promotes recovery, contributing to overall well-being and health.