Name the organs of respiration in the following organisms:

a. Flatworm - _________________________________________

b. Birds - _____________________________________________

c. Frog- ______________________________________________

d. Cockroach - ________________________________________

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 + ____

Name the important parts involved in creating a pressure gradient between lungs and the atmosphere during normal respiration.

State the different modes of CO₂ transport in blood.