Alveoli is an air passage
alveoli
Air sac
I Think You Thinking Of The Alveoli/Alveoli's
Alveoli which are in your lungs
alveoli
air sac
Alveoli which are in your lungs
An alveolus is a single air-sac, and alveoli are multiple air-sacs.
These are called alveoli. The singular term is alveolus.
Nasal Cavity, Larynx, Trachea, Bronchi, Bronchioles, Alveoli.
Alveoli also known as air sacs.
The pockets within an air sac are called atria and atrial diverticula. These structures help facilitate air movement and improve respiratory efficiency in birds.