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NewNcertBiologyBreathing and Exchange of Gases

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.

✓ Correct answer: A

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Question ID #396547 · NewNcert