Which is an action of the parasympathetic nervous system?

Question

Quizplus · Accepted Answer

The parasympathetic nervous system is responsible for promoting rest and relaxation responses in the body, including stimulating digestion through the secretion of digestive enzymes and increasing blood flow to the digestive organs.

Therefore, option B is the correct answer. Pupil dilation (A) and accelerated heartbeat (C) are actions of the sympathetic nervous system which is responsible for the "fight or flight" response. Raised blood sugar levels (D) is also a response of the sympathetic nervous system through the release of glucose from the liver.

Which Is an Action of the Parasympathetic Nervous System