Synaptic gap
Alveoli
--Synaptic Vesicles
alveoli
Alveoli
Alveoli
The tiny sacs are called alveoli and are basically the lungs.
These "tiny sacs" are called vacuoles, but there are many other vacuoles that contain things other than starch.
The air sacs are called Alveoli
bronchi
Alveoli
They are called,Alveoli
alveoli