Biology, asked by adi9763, 4 months ago

Heart beat originate from *

1 point

(a) Left atrium

(b) Right ventricles

(c) Cardiac muscles

(d) Pace maker

Answers

Answered by vaishnavipatil19

1

Answer:

pacemaker is correct answer

Answered by parul4747

0

Answer:

pacemaker

Explanation:

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