Assertion: diastole | /r/HasProperty | to finalize the filling of both ventricles
Facets:
value: with blood
type: OTHER
Source sentences:
text: While nominally a component of the heart's sequence of systolic contraction and ejection, atrial systole actually performs the vital role of completing the diastole, which is to finalize the filling of both ventricles with blood while they are relaxed and expanded for that purpose.