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  4. The partial pressure of oxygen in the alveoli of the lungs is:

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Q. The partial pressure of oxygen in the alveoli of the lungs is:

NTA AbhyasNTA Abhyas 2022

Solution:

The partial pressure of oxygen in alveoli of lungs is 104 mm of Hg that is more than that of blood in the pulmonary artery (40 mm of Hg).