Q 2022201131.     For completion of respiration process, write the given steps in sequential manner.
(a) Diffusion of gases (`O_2` and `CO_2` ) across alveolar membrane.
(b) Transport of gases by blood.
(c) Utilisation of O by the cells for catabolic reactions and resultant release of `CO_2` .
(d) Pulmonary ventilation by which atmospheric air is drawn in and `CO_2` rich alveolar
air is released out.
(e) Diffusion of `O_2` and `CO_2` between blood and tissues.

NCERT Exemplar 17/03/S

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