Breathing and Exchange of Gases: NEET 2026

Easy· Human Respiratory System· +4 / −1
In humans, respiration occurs in the following steps. Arrange these steps in the correct order. A. Diffusion of O2\mathrm{O_2} and CO2\mathrm{CO_2} between blood and tissues B. Diffusion of O2\mathrm{O_2} and CO2\mathrm{CO_2} across alveolar membrane C. Pulmonary ventilation by which atmospheric air is drawn in and CO2\mathrm{CO_2} rich alveolar air is released out D. Cellular respiration E. Transport of gases by the blood Choose the correct answer from the options given below:
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