Biology, asked by dileep4554, 1 year ago

the blood should not flow backwards through the heart
explain

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Answered by OJASWI
8

Hope it helps
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Answered by ihskar
3
due to presence of valves i.e. tricuspid valve , bicuspic valve both are present in introventricular wall and other one is semilunar valve which is present in pulmonary trunk and aorta helps to prevent blackflow of blood in heart
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