Question

multiple choice question
the vagus nerve conveys signals from the ______ nervous system to the heart.
o sympathetic
o parasympathetic
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Explanation:

The vagus nerve is a major component of the parasympathetic nervous system. It plays a key - role in regulating the heart rate and other functions related to the heart by conveying signals from the parasympathetic nervous system. The sympathetic nervous system has different functions and is not the source of signals via the vagus nerve to the heart.

Answer:

B. parasympathetic