What is Alveoli ????
Alveoli are the tiny sacs that are present in the lungs. They are the site of gas exchange. The alveoli help in increasing the surface area for exchange of gases between the lungs and the capillaries.
What is Alveoli ????
Alveoli are the tiny sacs that are present in the lungs. They are the site of gas exchange. The alveoli help in increasing the surface area for exchange of gases between the lungs and the capillaries.