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What happens when pacemaker becomes non - functional?

Option: 1

only auricles contract rhytimically


Option: 2

only venticles contract rhythmically


Option: 3

cardiac muscles do not undergo coordinated rhytmic movements


Option: 4

cardiac muscles contract in coordinated manner rythmically


Answers (1)

best_answer

A pacemaker is a small device that;s placed in the chest or abdomen to help control abnormal heart rhythms.

If pacemaker becomes non - functional then cardiac muscles do not undergo coordinated rhythmic movements.

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