Examlex
Why is it more important than ever before that news releases are complete,accurate,and correctly formatted before distribution?
AV Node
The Atrioventricular Node, a part of the heart's electrical system that delays the transmission of electrical impulses from the atria to the ventricles.
Semilunar Valves
Heart valves located at the exits of the right and left ventricles of the heart, preventing backflow of blood into the ventricles; includes the aortic and pulmonary valves.
Ventricular Diastole
is a phase of the heart cycle during which the ventricles relax and fill with blood following contraction.
Cardiac Cycle
The sequence of events that occur in the heart during one heartbeat, involving contraction and relaxation of the atria and ventricles.
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