Anonymous
Anonymous asked in Science & MathematicsBiology · 10 years ago

In general, which blood vessels carry blood that high in oxygen? Which vessels carry blood low in oxygen?

could you explain in the simplest of words possible ? thanks : )

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  • 10 years ago
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    IN GENERAL, arteries are the blood vessels that carry blood high in oxygen.

    IN GENERAL, veins are the blood vessles that carry blood low in oxygen.

    By definition, arteries are blood vessels that carry blood away from the heart. And IN GENERAL, the heart pumps oxygenated blood to the entire body.

    By definition, veins are blood vessels that carry blood towards the heart. And IN GENERAL, veins return deoxygenated blood back to the heart.

    The exceptions to the GENERAL rules are the blood vessels associated with the pulmonary circulation, the "local loop" to the lungs. For the pulmonary circulation, the pulmonary ARTERIES - by definition, since they are carrying blood away from the heart - carry deoxygenated blood from the heart to the lungs, where the blood is then oxygenated; and the pulmonary VEINS - by definition, since they are carrying blood back to the heart - carry oxygenated blood from the lungs to the heart.

  • 10 years ago

    Arteries branching out of the aorta and the pulmonary vein are the vessels with higher oxygen content as they come directly from the lungs or the left part of the heart which pumps blood form the lungs.

    The cava vein and the pulmonary artery are the ones with the lowest oxygen content as they come from the main body circuit and enter again into the lungs to oxygenate their blood

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