The heart and circulatory system contain different kinds of blood vessels – mainly arteries, veins, and capillaries. How are they different from each other in their function? What are the largest arteries and veins?
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arteries carry oxygenated blood , lumen is smaller, blood pressure is more in arteries
veins carry deoxygenated blood, lumen is larger, blood pressure is lower
largest artery is aorta
largest vein is venacava
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