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Which of the following is most important to the heartbeat? a. aortic valve b. sinoatrial node c. lymph node d. tricuspid valve
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1 vote
Which of the following is most important to the heartbeat?

a. aortic valve
b. sinoatrial node
c. lymph node
d. tricuspid valve

User Thegaw
by
7.5k points

1 Answer

1 vote
b. Sinoatrial nobe is the most important
User Eliakin Costa
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