NEETZoologyBreathing and Exchange of Gases
Read the following statements and choose the follwoing option: 1. The diffusion membrane is made up of two major layers 2. Partial pressure of carbon dioxide is denoted by pO2 3. Solubility of CO2 is 20-25 times higher than that of O2 4. All the factors in our body are favourable for diffusion of O2 from alveoli to tissues and that of CO2 from tissues to alveoli.
Options
- AOnly 4 is correct
- BBoth 1 and 2 is incorrect
- CAll are incorrect
- DOnly 1 is correct
Correct answer
B. Both 1 and 2 is incorrect
Step-by-step solution
The diffusion membrane is made up of three major layers namely, the thin squamous epithelium of alveoli, the endothelium of alveolar capillaries and the basement substance.