Diastole
Diastole ( ) is the part of the cardiac cycle during which the heart refills with blood after the emptying done during systole ( contraction ) . 
<triplet> Diastole <subj> cardiac cycle <obj> part of <triplet> cardiac cycle <subj> Diastole <obj> has part <subj> systole <obj> has part <triplet> systole <subj> cardiac cycle <obj> part of