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    Exam 42: Gas Exchange and Circulation
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    The Pacemaker Cells Are Found in What Structure
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The Pacemaker Cells Are Found in What Structure

Question 71

Question 71

Multiple Choice

The pacemaker cells are found in what structure?


A) sinoatrial node
B) the ventricles
C) left atrium
D) pulmonary veins
E) aorta

Correct Answer:

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