The ________ is responsible for initiating the heartbeat.

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asked Nov 8, 2024 180k views

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Twlkyao · Answer 1 · 2024-11-13T06:56:11+0000

The answer is SA node, also known as sinus node or sinoatrial node.

-a small body of specialized muscle fibers, located in the right atrium of the heart, whose activity is responsible for initiating the heartbeat. (Dictionary-Oxford Languages)

The ________ is responsible for initiating the heartbeat.

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