6 Questions
During which phase of the cardiac cycle do the atria contract following depolarization?
Atrial systole
What is considered the end diastolic volume (EDV) or preload in the cardiac cycle?
Blood in the ventricles before they contract
What occurs during ventricular diastole in the cardiac cycle?
Ventricles relax
Which phase marks the relaxation phase of the ventricles in the cardiac cycle?
Ventricular diastole
What leads to the opening of the semilunar valves during the cardiac cycle?
Increase in pressure in the ventricles
How much blood is typically pushed out by the ventricles as stroke volume in the cardiac cycle?
$60 - 70$ mL
Learn about the different phases of the cardiac cycle, including atrial and ventricular contractions. Understand the processes of systole and diastole in the heart's pumping action.
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