Question

The exchange of gases takes place in the alveoli. To what extent is the structure of alveoli suitable for this?

Answer 1

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli

Answer 2

Answer:

The alveoli are just one cell in thickness, which allows the gas exchange of respiration to take place rapidly