define lung alveoli

Asked by pahiroy1221 | 19th Jul, 2015, 07:32: PM

Expert Answer:

Alveoli are minute, delicate air sacs located deep within the lungs where the exchange of oxygen and carbon dioxide takes place. The lungs alveoli are covered with blood capillaries so that oxygen can easily get diffused into the bloodstream and be transported to various parts of the body through the heart.

Answered by Sheetal Kolte | 19th Jul, 2015, 10:25: PM