which prevents backflow of blood inside the heart during contractions
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Valves maintain direction of blood flow
As the heart pumps blood, a series of valves open and close tightly. These valves ensure that blood flows in only one direction, preventing backflow. The tricuspid valve is situated between the right atrium and right ventricle.
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When ventricular diastole occurs the ventricular pressure falls , closing the semilunar valves to prevent backward flow of blood to ventricles. Complete answer: A] valves in heart – these structures prevent backward flow of blood during contraction.
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