Biology, asked by chimchim1711, 7 months ago

which part of heart is known as peacemarker?

Answers

Answered by priyapayal0011

2

Answer:

The SA node (called the pacemaker of the heart) sends out an electrical impulse. The upper heart chambers (atria) contract.

Answered by Itsprachi

1

The sinoatrial (SA) node or sinus node is the heart's natural pacemaker.

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