A major percentage (97%) of O₂ is transported by RBCs in the blood. How does the remaining percentage (3%) of O₂ transported?

Cigarette smoking causes emphysema. Give reason.

What is the amount of O₂ supplied to tissues through every 100 ml. of oxygenated blood under normal physiological conditions?

Arrange the following terms based on their volumes in an ascending order

a. Tidal Volume (TV)

b. Residual Volume (RV)

c. Inspiratory Reserve Volume (IRV)

d. Expiratory Capacity (EC)

Complete the missing terms

a. Inspiratory Capacity (IC) = _____ +IRV

b. ___________________ = TV + ERV

c. Functional Residual Capacity (FRC) = ERV + ____