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Differentiate between an artery and a vein.

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Artery Vein  
distribute blood to organs collects blood from organs
moves away from the heart moves toward the heart
valves are present valves are absent
blood pressure is high blood pressure is low
they end in capillaries they start from capillaries
carry oxygenated blood (exception: pulmonary artery) carry deoxygenated blood (exception: pulmonary vein)
further divided into arterioles further divided into venules
have small lumen have large lumen
reddish in color bluish in color

 

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