Which of the following is a function of the parasympathetic nervous system?

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Increasing heart rate

Dilating bronchioles

Constricting blood vessels

Stimulating digestion

answer is D.

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Detailed Solution

The parasympathetic nervous system is one of the two divisions of the autonomic nervous system, which regulates involuntary functions of the body. One of the main functions of the parasympathetic nervous system is to stimulate digestion by increasing the activity of the digestive organs, such as the stomach and intestines.

The parasympathetic nervous system also helps to relax the sphincter muscles that control the passage of food through the digestive tract, allowing for smoother digestion.

In addition to stimulating digestion, the parasympathetic nervous system also slows down heart rate, constricts the pupils, and promotes relaxation throughout the body.

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