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melisa1 [442]
2 years ago
7

Explain the role of the pacemaker in keeping blood flowing through the heart.

Health
1 answer:
Contact [7]2 years ago
4 0

Answer:

a pacemaker helps the SA node send electrical signals through the heart to the AV node when the heartbeat is too slow or irregular. when this electrical stimulus occurs it causes the heart muscles to contract and continue to pump blood to the rest of the body.

Explanation:

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