Science, asked by sabhishek152006, 8 months ago

what prevent back flow of blood during contradiction if it is one mark so the answer is valves is this correct or not? ​

Answers

Answered by geethu2004
0

yes ur right.

valves is the answer

Answered by ZOYA1447
1

Answer:

The valves in heart helps in preventing the blood from back flow.

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 ventrical.

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