Question

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⋆_____ have valves which prevent back flow of blood.
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Answer 1

HERE IS EVERY POSSIBLE INFORMATION RELATED TO UR QUESTION..

Answer:

semilunar valves

À BRIEF DESCRIPTION:

each of a pair of valves in the heart, at the bases of the aorta and the pulmonary artery, consisting of three cusps or flaps which prevent the flow of blood back into the heart.

Answer 2

Answer:-

• Aortic Valves prevent back-flow of blood.

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