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What carries waste - arteries or veins?

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Whereas the vein start from the capillaries and brings the metabolites and waste products of the tissues back to the heart via vena cava ( largest vein) which is it then pumps to the pulomary arteries which carries deoxygenated blood to the lungs which gets oxygenated and comes back via pulomary vein and hence the cycle continues. read more

Veins can be classified as pulmonary veins and systemic veins. The pulmonary veins are a set of veins that deliver oxygenated blood from the lungs to the heart and the Systemic veins drain the tissues of the body and deliver deoxygenated blood to the heart. read more

Arteries, like veins, are tube-shaped vessels that carry blood in the body. The chief difference between arteries and veins is the job that they do. Arteries carry oxygenated blood away from the heart to the body, and veins carry oxygen-poor blood back from the body to the heart. read more

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Overview of Vessels Arteries: blood vessels that move AWAY from the heart Vei...
Source: slideplayer.com

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