1. Which of the following is correct for the partial pressure of oxygen in alveoli?

2. Which of the following is a chronic respiratory disorder caused by smoking?

3. Most of the carbon dioxide produced in the tissues is transported to the lungs as

4. The gaseous exchange in alveoli is a type of

5. The linings that separate air contained in lungs from venous blood

6. Which of the following organs only receives oxygenated blood?

7. Which of the following parts of the brain regulates the respiratory process?

8. Which of the following membranes encloses lungs?

9. RBCs present in the blood of a person residing at higher altitudes

10. The alveolar epithelium of lungs is