How do you appreciate the role of valves in human hear
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Explanation:
the valves present in the human heart are atrioventricular valves like tricuspid,bicuspid valve and semilunar valves.
they have significant role in -
preventing back flow of blood
in producing heart sounds i.e. lubb and dubb
keeping the range of blood in the chambers of heart constant.
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Answer:
Explanation:
Valves ensure that blood doesn't flow in the backward direction
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