True or False: if false, choose the answer that best corrects the statement.

Ventricular filling is defined as the period that the atria are in systole.

• A. True.
• B. False; ventricular filling is defined as the period that the semilunar valves are open.
• C. False; ventricular filling is defined as the period when the AV valves are open, and the SL valves are closed.
• D. False; ventricular filling is defined as the period when the pressure in the ventricles is greater than in the atria.