Biology, asked by khushnaseeb, 9 months ago

what is peacmaker please explain

Answers

Answered by ritikchanderiya5

1

Answer:

SA node present in right atrium is also called pacemaker which initiates the contraction of heart..

Answered by khushnaseebahmed17

1

a pacemaker is a small device that place under the skin in your chest to help control your heart beet

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