What is the function and structure of the lungs, and how to do a lung function test Medically reviewed by Adithya Cattamanchi, M.D. — Written by Tim Newman — Updated on November 20, 2023 Function ...

The parasympathetic nervous system (PSNS) is one of two major divisions of the larger autonomic system in your body. Its function is to keep the basic functions of your body working as they should ...