Which physiological adaptation occurs in people living at high altitudes to survive in low atmospheric pressure?

What are the functions of hemoglobin and chlorophyll?

For completion of the 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 $O_2$ 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.

What does abdominal breathing indicate?

Persons living at high altitude will have

What is the approximate amount of $CO_2$ eliminated by our lungs per day?