they are very similar, both have:
thin walls through which particles can pass
consist of tiny projections
occurs in huge numbers
Alveoli
alveoli
Lungs
the alveoli
the alveoli
alveoli
no
aleovi
alveoli
In the respiratory bronchioles
It is the lining of the alveoli that acts as our respiratory surface.
The respiratory enzymes are mostly located on the mitochondrion.