Which of the Following Sequences Correctly Depicts the Normal Pattern

Which of the following sequences correctly depicts the normal pattern of sequential depolarization of the structures of the heart?
(1) right and left bundle branches
(2) sinoatrial (SA) node
(3) subendocardial Purkinje network
(4) bundle of His
(5) atrioventricular (AV) node

A) 5, 2, 4, 1, 3
B) 2, 5, 4, 1, 3
C) 2, 3, 4, 1, 5
D) 2, 5, 3, 1, 4

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