Which of the following is the responsibility of the parasympathetic nervous system?
A) slowing heart rate
B) increasing blood flow and muscle tension in large muscles
C) opening the pupils of the eyes
D) dilating the passageways of the lungs to increase air flow

Question

Quizplus · Accepted Answer

The parasympathetic nervous system is responsible for slowing the heart rate. Option B is the responsibility of the sympathetic nervous system. Option C is controlled by the iris muscles and is not directly related to the autonomic nervous system. Option D is the responsibility of the sympathetic nervous system.

Which of the Following Is the Responsibility of the Parasympathetic