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Question: Answered & Verified by Expert
The partial pressure of oxygen in the alveoli of the lungs is:
BiologyBreathing and Exchange of GasesNEET
Options:
  • A Equal to that in the blood
  • B More than that in the blood
  • C Less than that in the blood
  • D Less than that of carbon dioxide
Solution:
1445 Upvotes Verified Answer
The correct answer is: More than that in the blood
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).

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