The biological functions which perform gaseous exchange:
Plants do the exchange of gases through:
Each stoma is formed by:
Respiratory surface possesses the following property:
Inspiration involves:
Larynx is located on:
The respiratory surface of human is:
Increase in rate of breathing is due to the following:
Which of the following disorder is associated with degeneration of alveoli?
Which of the following disorder is associated with inflammation of air passage ways?