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Which of the following is the correct sequence of the cardiac cycle?
a. SA node, AV node, the bundle of HIS, Purkinje fibers
b. AV node, SA node, the bundle of HIS, Purkinje fibers
c. The bundle of HIS, AV node, SA node, Purkinje fibers
d. Purkinje fibers, SA node, AV node, the bundle of HIS
Answers: 2
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Answers: 2
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