Given below is a list of different steps (i-vi) involved in respiration
(i) Utilisation of `O_(2)` by the cells for catabolic reactions
(ii) Transport of gases by the blood
(iii) Pulmonary ventilation by which atmospheric air is drawn in and `CO_(2)` is released out
(iv) Release of resultant `CO_(2)`
(v) Diffusion of `O_(2)` and `O_(2)` between blood and tissues
(vi) Diffusion of gases `(O_(2) and CO_(2))` across alveolar tissues
Select an option which has correct sequence of all the steps.

Options

A. i, ii, iii, iv
B. i, ii, iii
C. i, ii, iv
D. ii, iii

Answer

A