Mark the correct pair of muscles involved in the normal breathing in humans.
A. External and internal intercostals muscles

B. Diaphragm and abdominal muscles

C. Diaphragm and external intercostal muscles

D. Diaphragm and internal intercostals muscles

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)

For completion of respiration process, write the given steps in sequential manner

a. Diffusion of gases (O₂ and CO₂) across alveolar membrane.

b. Transport of gases by blood.

c. Utilisation of O₂ by the cells for catabolic reactions and resultant release of CO₂.

d. Pulmonary ventilation by which atmospheric air is drawn in and CO₂ rich alveolar air is released out.

e. Diffusion of O₂ and CO₂ between blood and tissues.

Complete the missing terms

a. Inspiratory Capacity (IC) = _____ +IRV

b. ___________________ = TV + ERV

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

It is known that exposure to carbon monoxide is harmful to animals because

Mark the incorrect statement in context to O₂ binding to Hb

Compared to O₂, diffusion rate of CO₂ through the diffusion membrane per unit difference in partial pressure is much higher. Explain.

Respiration in insects is called direct because

Mark the correct pair of muscles involved in the normal breathing in humans.

Name the primary site of exchange of gases in our body?

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