SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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pulmonary veins
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pulmonary artery
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aorta
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superior vena cava
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Detailed explanation-1: -The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle. The left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body.
Detailed explanation-2: -Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins.
Detailed explanation-3: -The lung veins sometimes referred to as the pulmonary veins, are blood vessels that transfer freshly oxygenated blood from the lungs to the left atria of the heart.
Detailed explanation-4: -(a) Pulmonary vein: It is the blood vessel that brings oxygenated blood to the human heart. It brings the blood from the lungs to the heart. It is the only vein that carries oxygenated blood.
Detailed explanation-5: -The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart.