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Respiration and Circulation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYRespiration and Circulation1 Mark
Question
Give functions : Valves in heart.
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Answer

Valves in the heart prevent the backflow of the blood at the time of systole and help in maintaining a unidirectional flow of blood.

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