Single Biggest Cancer Dictionary in the World
What is parasympathetic nervous system?
Pronunciation: /ˌpɛrəˌsɪmpəˈθɛtɪk ˈnərvəs ˈsɪstəm/
parasympathetic nervous system
Definition
The part of the nervous system that slows the heart, dilates blood vessels, decreases pupil size, increases digestive juices, and relaxes muscles in the gastrointestinal tract.