Biology, asked by singhramesh77101, 4 months ago

A group of specialised cardiac musclesin the wall of right atrium that initiates heart beat

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Answered by SyedNomanShah

3

Answer:

● A group of specialised cardiac musclesin the wall of right atrium that initiates heart beat is called the SA node or Sinoatrial node.

Answered by dishakhan9221

4

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