Question

how the backflow of blood is prevented in heart​

Answer 1

Answer:

here is your answer dear

The pulmonary valve sits between the right ventricle and the pulmonary artery. Its role is to prevent the backflow of blood into the right ventricle after it contracts. The aortic valve sits between the left ventricle and the aorta and prevents backflow of blood into the left ventricle after it contracts.

Answer 2

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The backflow of blood is prevented in heart by the help of valves .

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${\huge {\underline {\tt {Explanation:}}}}$

The valves which are present in the heart are tricuspid valve, pulmonary valve, aortic valve, and mitral valve.

●Tricuspid valve is positioned between right atrium and ventricle.

●Pulmonary valve is placed between the pulmonary artery and the right ventricle.

●The mitral valve is placed between left atrium and ventricle.

●The aortic valve is found between the aorta and left ventricle.

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