Question

list 2 characteristics of alveoli which makes it for efficient for gaseous exchange

plz answer it guys it's urgent​

Answer 1

Answer:    they give the lungs a really big surface area.

   they have moist, thin walls (just one cell thick)

   they have a lot of tiny blood vessels called capillaries.

Explanation:

Answer 2

Answer:

• high surface area
• thin respiratory membrane
• high speed of diffusion
• lipid solubility of oxygen and carbon dioxide

Explanation:

please follow me