Assertion: cardiac muscle's period | /r/Synonym | systole
Facets:
Source sentences:
text: The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.
text: The period of time during which the ventricles contract, forcing blood out into the aorta and main pulmonary artery, is known as systole, while the period during which the ventricles relax and refill with blood is known as diastole.