Lungs have a large number of alveoli for…?
A. Having spongy texture and roper shape
B. More surface area for diffusion of gases
C. More space increasing volume of inspired air
D. More nerves supply
Answer:B
Lungs have a large number of alveoli for…?
A. Having spongy texture and roper shape B. More surface area for diffusion of gases C. More space increasing volume of inspired air D. More nerves supply