The blood returning to the heart from the lun | vedclass

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(C) The pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart.During the process of pulmonary circulation,blood passe

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Oxygen per $ml$ of blood

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(C) The pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart.During the process of pulmonary circulation,blood passes through the alveoli in the lungs where gas exchange occurs.As a result,the blood becomes oxygenated,meaning it has a higher concentration of $O_2$ compared to the deoxygenated blood returning from the rest of the body.Therefore,the blood returning via the pulmonary vein has more oxygen per $ml$ of blood.

The blood returning to the heart from the lungs via the pulmonary vein has more:

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