NEET 2016
- Exam
- NEET
- Year
- 2016
- Subject
- Zoology
- Chapter
- Breathing and Exchange of Gases
NEET 2016 · Zoology · Breathing and Exchange of Gases
The partial pressure of oxygen in the alveoli of the lungs is:
The partial pressure of oxygen in the alveoli of the lungs is:
Options
- AEqual to that in the blood
- BMore than that in the blood
- CLess than that in the blood
- DLess than that of carbon dioxide
Correct answer
B. More than that in the blood
Step-by-step 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).