Biology for IGCSE & O level - Gas Exchange In Humans (Section 4 - No. 20)
Which of the following best explains why the lungs have a large surface area?
To accommodate the large volume of air that is inhaled.
To increase the rate of diffusion of oxygen and carbon dioxide.
To make the lungs lighter and easier to inflate.
To provide support for the alveoli.
Explanation
A large surface area is crucial for maximizing the efficiency of gas exchange.
Comments (0)
