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Question

Parasympathetic nervous system

A
Increases heart beat
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B
Decreases heart beat
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C
Originates heart beat
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D
Has no effect on heart beat
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Solution

The correct option is B Decreases heart beat
The function of the PNS is commonly described as the "rest and digest" response since it is involved in slowing the heart rate, relaxing the sphincter muscles in the gastrointestinal and urinary tracts, and increasing intestinal and gland activity.
So, option B is the correct option.

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