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Heart

When the left...

Question

When the left atrium contracts so why the blood did not flow back to the pulmopulm vein ?

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Solution

The presence of valves at the opening of pulmonary viens prevent the back flow of the blood when the left atrium contracts

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Similar questions

Left atrium receives oxygenated blood from ______ .

Q. prevents back flow of blood from left ventricle to left atrium.

Q. Pulmonary vein pours ______ blood into the left atrium.

Q. Differentiate between the following.
i) Mitral valve and tricuspid valve (structure)
ii) Artery and vein (direction of blood flow)
iii) Right atrium and left atrium (nature of blood)

Q. Which of the following statement(s) wrong with regard to heart?
A. Left atrium receives deoxygenated blood from different parts of the body while right atrium receives deoxygenated blood from the lungs.
B. Right atrium receives deoxygenated blood from different body parts while right ventricle pumps deoxygenated blood to the lungs.
C. Left atrium receives oxygenated blood from lungs while left ventricle pumps oxygenated blood to different parts of the body.
D. Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.

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