Biology for IGCSE & O level - Transport In Animals (Section 7 - No. 26)
What happens to the oxygen in the lungs?
It is transported to the red blood cells
It is absorbed by the plasma
It is used by the white blood cells
It is turned into carbon dioxide
Explanation
Oxygen diffuses from the alveoli into the blood, attaches temporarily to the hemoglobin in the red blood cells making oxyhemoglobin.
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