Question

What is the function of the pacemaker?
OA.
to relax the blood vessels
B.
to slow down the heart rate
OC.
to maintain normal heart rhythm
OD
to increase oxygen supply to the heart

Answer 1

Answer:

Your A

answer is: C. To maintain normal heart rhythm

Explanation:

A pacemaker signals the heart to beat when the heartbeat is too slow or irregular. A pulse generator is a small metal case that contains electronic circuitry with a small computer and a battery that regulate the impulses sent to the heart.