Which Statement Correctly Describes Events During Cardiac Cycle

question 33

Multiple Choice

Which statement correctly describes events during cardiac cycle?

• A) Atrial systole immediately follows the ventricular systole.
• B) At least one pair of cardiac valves is closed in every phase of the cardiac cycle.
• C) Blood flows through the heart in every phase of the cycle.
• D) The pressure in the ventricles is always higher than the pressure in the atria.

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