Question

What prevents backflow of blood inside the heart during contraction?

Answer 1

Answer:

Explanation:

Valves between the atria (auricles) and ventricles of the heart which prevent the backflow of blood into the atria, i.e. the bicuspid (mitral) and tricuspid valves. ... Prevents blood flowing from the left ventricle to the left atrium when the ventricle contracts.

Answer 2

Answer:

Explanation:

heya

valves in heart prevents backflow of blood inside the heart during contraction

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