Biology, asked by prathiksha1060, 1 year ago

How do valves prevent the backflow of blood in a heart?

Answers

Answered by beingtani19
0
The valve prevents blood from flowing back into the right atrium as the heartpumps. The pulmonary valve allowsblood to pass into the pulmonary arteries while preventing it fromflowing back into the right ventricle.
Answered by Anonymous
3

Answer:

Explanation:

heya

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

hope helps uhh

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