discuss how the role of vena cava and pulmonary veins different from each other?
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Explanation:
Vena cava brings deoxygenated blood from both lower and upper parts of the body by superior and inferior vena cava into the right auricle of the heart while pulmonary veins carry oxygenated blood from the lungs to the left auricle of heart.
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The superior vena cava and inferior vena cava are veins that return deoxygenated blood from circulation in the body and empty it into the right atrium. The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation.
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