Biology, asked by anja8nnhea7Mali, 1 year ago

Sino-atrial node is called the pacemaker of our heart. Why?

Answers

Answered by Dhruv101
6
sinoatrial node is called the pacemaker of heart because it initiates the heartbeat
Answered by Anonymous
6

Answer:

It is responsible for initiating and maintaining its rhythmic activity, therefore it is known as pacemaker of the heart.

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