Question

blood from the lungs enter the heart through the -

a) pulmonary artery
b)arota
c) pulmonary vein
d) vanacava

please answer it as soon as possible​

Answer 1

Answer:

Superior and inferior vena cava carries deoxygenated blood into the heart. Inferior vena cava carries blood from the lower body and superior vena cava carries blood from the upper part of the body. Both vena cava then transfers all the blood to the right atrium of the heart which is then passed into the right ventricle of the heart through tricuspid valves. Blood from the heart is then transported into lungs via pulmonary artery where blood is purified (becomes oxygenated from deoxygenated) and again transports back to left atrium of the heart via pulmonary vein which is then transported back to the whole body with the help of aorta. So, the correct answer is 'Vena cava, right atrium, right ventricle, lungs, pulmonary vein'.

Step-by-step explanation:

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