Biology, asked by js9311268, 7 months ago

C. Fill in the Blanks.
1. The
initiates and maintains heartbeat.​

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Answered by Anonymous
47

Answer:

Answer:SA node (sinoatrial node) – known as the heart's natural pacemaker. The impulse starts in a small bundle of specialized cells located in the right atrium, called the SA node. ... The SA node sets the rate and rhythm of your heartbeat.

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Answered by navpreetkin320
1

Answer:

answer is above

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