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Question 6

1 pts
Heart rate is regulated by a pace maker structure in the heart called the
sinoatrial node.
O
True
O
False
BE

User Ged Byrne
by
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1 Answer

4 votes

Answer:

True

Step-by-step explanation:

The sinoatrial node is a small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal at regular intervals.

User Hotzen
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