What is the name of the structure that initiates the heartbeat?
A) AV node
B) Purkinje fibers
C) Bundle branches
D) SA node
Correct Answer:
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Q4: Which type of circulation sends nutrient rich
Q5: How do you know this is a
Q6: What is the function of the structure
Q7: What is happening during the phase labeled
Q8: How do you know this is a
Q10: Which of the following structures delays contraction
Q11: Regarding structure C, where is the blood
Q12: Which letter identifies the tricuspid valve?
Q13: What is the name of the membrane
Q14: How does Starling's law relate to the
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