Alveoli
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 tiny sacs in the synapse are called synaptic vesicles. These vesicles store neurotransmitters, which are released into the synaptic cleft to facilitate communication between neurons.
Alveoli
They are called,Alveoli
bronchi
The tiny air sacs are called alveoli. Oxygen from the air enters the bloodstream through the walls of the alveoli, while carbon dioxide from the bloodstream is released into the air sacs to be exhaled.
alveoli