What ensures that the blood does not flow backwards when the atria of ventricles contract?
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Answer:
there are some valve present in heart arteries that prevent the back flow of blood
the opening between the right atrium and right ventrical is guarded by tricuspid valve and opening of left atrium and left ventrical is guarded by bicuspid valve
Answered by
1
Answer:
There are some value present in heart arteries that prevent the back flow of blood
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