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If parasympathetic nerve of the rabbit i...

If parasympathetic nerve of the rabbit is cut then heart beat

A

Unaffected

B

Decreases

C

Increases

D

Stop

Text Solution

Verified by Experts

The correct Answer is:
C
Parasympathetic nervous system stimulate vagus nerve that decreases heart beat by the release of neurotransmitter i.e. acetylcholine that inhibit SA node and thus decreases heart beat.
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