9. The heartbeat is regulated by—
(A) Pacemaker
(B) Vagus nerve
(C) Sympathetic nerve
(D) All of these
Anonymous:
a sun
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(A) Pacemaker
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Answers
Answered by
1
Heya!!
Here is your answer ⬇️⬇️
The heartbeat is regulated by pacemaker, vagus nerve, sympathetic nerve.
So, option D is the answer.
Hope my answer helps you❤
Good afternoon
Answered by
2
Heya!!
Here is your answer ⬇️⬇️
The heartbeat is regulated by pacemaker, vagus nerve, sympathetic nerve.
So, option D is the answer.
Hope my answer helps you❤
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