Examlex
What is the last mass medium,and why is it called that?
Tricuspid Valve
A valve in the heart between the right atrium and right ventricle that prevents backflow of blood during ventricular contraction.
Mitral Valve
A valve in the heart that lies between the left atrium and left ventricle, ensuring one-directional blood flow within the heart.
Atria Contracting
The phase of the cardiac cycle where the atria of the heart contract to move blood into the ventricles.
Ejection
The process of forcibly expelling something, as in the ejection of blood from the heart during systole.
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