what is the state of the heart during systole
Heart during ventricular diastole. Diastole /daÉªËÃ¦stÉliË/ is the part of the cardiac cycle when the heart refills with blood following systole (contraction). Ventricular diastole is the period during which the ventricles are filling and relaxing, while atrial diastole is the period during which the atria are relaxing.