Which labeled structure in the heart wall diagram is responsible for the pumping action of the heart? 
A) A
B) B
C) E
D) F
E) G
Correct Answer:
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Q3: The P wave of an ECG is
Q4: Death of an area of cardiac muscle
Q5: Which of the following represents the correct
Q6: At a normal resting heart rate, the
Q7: Oxygenated blood is delivered to the myocardium
Q9: The heart valve found between the left
Q10: The left ventricle pumps blood directly into
Q11: Which of the following lists the correct
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