A) initiate the heart beat
B) reduce the heart beat
C) accelerate the heart beat
D) maintain constant heart beat
Correct Answer: B
Solution :
The vagus nerves (parasympathetic) supply mainly the SA and AV nodes and atrial muscles. The para sympathetic stimulation reduces the rate at which impulses are produced, decreasing the rate and force of the heart beat.You need to login to perform this action.
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