SCIENCE
CIRCULATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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toward the heart
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away from the heart
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to the body
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to the brain
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Detailed explanation-1: -The Deoxygenated blood from the various parts of the body returns to the right half of the heart, via the vena cava. This deoxygenated blood is carried to the lungs for oxygenation through the pulmonary artery. It is then pumped to the heart via the pulmonary vein for circulation to various tissues.
Detailed explanation-2: -But pulmonary artery is the only artery which carries impure or deoxygenated blood and pulmonary vein carries impure blood.
Detailed explanation-3: -Deoxygenated blood from the lower half of the body enters the heart from the inferior vena cava while deoxygenated blood from the upper body is delivered to the heart via the superior vena cava. Both the superior vena cava and inferior vena cava empty blood into the right atrium.
Detailed explanation-4: -Veins bring blood to the right side of your heart. Pulmonary arteries carry the blood to your lungs, where it receives oxygen. Pulmonary veins move the blood oxygen-rich blood to the left side of your heart.
Detailed explanation-5: -Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.