Does the blood in veins or arteries have more oxygen? why?

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asked Jul 10, 2019 11.8k views

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Pfx · Answer 1 · 2019-07-15T07:48:32+0000

Blood in the arteries contains more oxygen than that in veins because blood in arteries travels from the heart after being oxygenated by the lungs. Blood in veins is that returning to the heart and lungs after being depleted of oxygen.

Does the blood in veins or arteries have more oxygen? why?

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