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The parasympathetic nervous system controls digestive functions and alters the activity of the digestive system via the ________ nerve.

a) Vagus
b) Sciatic
c) Optic
d) Trigeminal

User Wildnove
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1 Answer

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Final answer:

The vagus nerve is the component of the parasympathetic nervous system that controls digestive functions and is responsible for promoting rest-and-digest responses.

Step-by-step explanation:

The parasympathetic nervous system controls digestive functions and alters the activity of the digestive system via the vagus nerve. The vagus nerve is responsible for a variety of tasks including controlling the muscles that result in the gag reflex. The vagus nerve contains preganglionic parasympathetic fibers which are involved in promoting rest-and-digest functions, such as decreased heart rate and increased digestion ability.

User Richo
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