Statement I: The branching network of bronchi, bronchioles and alveoli comprise the lungs. Statement II: Exchange part is the site of actual diffusion of O2 and CO2 between blood and atmospheric air.

Question

Statement I: The branching network of bronchi, bronchioles and alveoli comprise the lungs. Statement II: Exchange part is the site of actual diffusion of O2 and CO2 between blood and atmospheric air. (A) Only statement I is correct (B) Only statement II is correct (C) Both statements I and II are correct (D) Both statements I and II are incorrect

Tardigrade Admin · Accepted Answer

Correct answer is (c) Both statements I and II are correct

Q. Statement I: The branching network of bronchi, bronchioles and alveoli comprise the lungs. Statement II: Exchange part is the site of actual diffusion of O2​ and CO2​ between blood and atmospheric air.

Only statement I is correct

Only statement II is correct

Both statements I and II are correct

Both statements I and II are incorrect

Correct answer is (c) Both statements I and II are correct

Q. Statement I: The branching network of bronchi, bronchioles and alveoli comprise the lungs.
Statement II: Exchange part is the site of actual diffusion of $O_{2}$ and $C O_{2}$ between blood and atmospheric air.