During the cardiac cycle,which of the following is the correct order of events?
A) atria contract, atria and ventricles relax, ventricles contract
B) ventricles contract, atria contract, atria and ventricles relax
C) atria and ventricles relax, atria contract, ventricles contract
D) ventricles contract, atria and ventricles relax, atria contract
E) none of these
Correct Answer:
Verified
Q24: Q50: _ is (are)the transport medium for blood Q52: The cardiac pacemaker is the Q53: In which cavity does the human heart Q54: The double layered sac that surrounds the Q56: The driving force for heart contraction is Q57: Which of the following deliver oxygen-poor blood Q58: The _ delivers oxygen-rich blood to the
A) sinoatrial node.
B)
A)
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