alveoli
alveoli
air sacs
The alveolis.
The alveolis.
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.
The smallest tube in the lungs is the Bronchus
Alveoli
Alveoli.
Alveoli
Inside the lungs are alveoli (tiny air sacs). This is where oxygen and carbon dioxide are exchanged.
Alveoli
They are called,Alveoli