The cardiac events that occur from the beginning of one heart beat to the beginning of the next heart beat are called the cardiac cycle. Which of the following is/are true? - PhysiologyWeb

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Physiology Test Question

The cardiac events that occur from the beginning of one heart beat to the beginning of the next heart beat are called the cardiac cycle. Which of the following is/are true?

	(A) The left atrium and right atrium contract nearly simultaneously.
	(B) The left ventricle and right ventricle contract nearly simultaneously.
	(C) The atria contract before the ventricles.
	(D) The ventricles contract before the atria.

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Posted: Saturday, March 19, 2016
Last updated: Saturday, March 19, 2016