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The electrical impulse generated by the heart originates in the: Select one: A. atrioventricular node. B. coronary sinus. C. bundle of His. D. sinoatrial node.

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The electrical impulse generated by the heart originates in the:
Select one:
A. atrioventricular node.
B. coronary sinus.
C. bundle of His.
D. sinoatrial node.

 
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