Arrange the following steps of respiration in a proper sequence -
A. Breathing,
B. Diffusion of gases across alveolar membrane,
C. Transport of gases by the blood,
D. Diffusion of O₂ and CO₂ between blood and tissues,
E. Utilisation of O₂ by the cells for catabolic reactions and resultant release of CO₂.
- AA, B, C, D, E
- BA, E, B, C, D
- CA, C, B, D, E
- DA, B, D, E, C
✓ Correct answer: A
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