Examlex
Identify and state the historical significance of the following:
-Social Security Act
Diastole
The phase of the heart cycle when the heart muscle relaxes and allows the chambers to fill with blood.
Ventricular Filling
The phase of the cardiac cycle in which the ventricles fill with blood, following diastole and before systole.
AV Valves
The atrioventricular valves, which include the mitral and tricuspid valves, control blood flow between the atria and ventricles in the heart.
Semilunar Valves
Heart valves located at the bases of the aorta and the pulmonary artery that prevent blood from flowing back into the ventricles.
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