one feature is that an alveoli has a wide surface area. If you know any other features then add them!
Alveoli
They Have A large surface area and they are full of red blood cells
alveoli
Alveoli alveoli - air sacs in your lungs
Alveoli
The humorus
the alveoli is happen the blood
alveoli take co2 from
Alveoli (pulmonis) or just alveoli.
There are hundreds of thousands of alveoli.
Alveoli are expanded chambers of epithelial tissue which form the gas exchange surfaces of the lungs. Multiple alveoli share a common duct forming alveoli sacs.