What is the function of alveoli?

The function of the alveoli is to get oxygen into the blood stream for transport to the tissues, and to remove carbon dioxide from the blood stream. Structure of alveoli In the lungs, air is diverted into smaller and smaller microscopic branches called respiratory bronchioles, which connect to the alveolar ducts. read more

Alveoli are integral parts of our respiratory system. They are the tiny sacs at the very end of the last bronchioles of the bronchial tree. Alveoli are covered with capillaries, and a respiratory membrane is created where alveoli and capillaries meet. read more