Histamine, serotonin and heparin are secreted by

Which of the following is correct regarding the given diagram?

Match the items given in Column I with those in Column II and select the correct option given below.

Given below is a list of different steps (i-vi) involved in respiration.

(i) Utilization of ${\mathrm{O}}_2$ by the cells for catabolic reactions
(ii) Transport of gases by the blood
(iii) Pulmonary ventilation by which atmospheric air is drawn in and ${\mathrm{CO}}_2$ is released out
(iv) Release of resultant $C{O}_2$
(v) Diffusion of ${\mathrm{O}}_2$ and ${\mathrm{CO}}_2$ between blood and tissues
(vi) Diffusion of gases $\left({\mathrm{O}}_2\text{ and }{\mathrm{CO}}_2\right)$ across alveolar tissues

Select an option which has correct sequence of all the steps.