Multiple Choice
During one cardiac cycle:
A) the atria contract together,followed by the ventricles contracting together
B) the ventricles contract together,followed by the atria contracting together
C) the right atrium contracts first,followed by the left atrium and then the ventricles
D) the left atrium contracts first,followed by the right atrium and then the ventricle
Correct Answer:

Verified
Correct Answer:
Verified
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