Alveoli Diagram. Advertising revenue supports our not for profit mission. A pulmonary alveolus plural.
The alveoli are adapted to provide a very large surface area for gaseous exchange. Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. Between the alveoli is a thin layer of cells called the interstitium which contains blood vessels and cells that help support the alveoli.
Alveoli from latin alveus little cavity is an anatomical structure that has the form of a hollow cavity.
The alveoli are adapted to provide a very large surface area for gaseous exchange. Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and carbon dioxide molecules to and from the bloodstream. However alveoli are most often used to describe the small air sacs of the lungs of mammals and are therefore known more specifically as the pulmonary alveoli. The wall of an alveolus and the wall of a capillary are each about 0 00004 inches 0.
