A septal cell is a type of cell found in the alveoli of the lungs. These cells help to support the structure of the alveoli and are involved in gas exchange during respiration.
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bronchioles
Alveoli
The structure in the lungs that contains the thinnest epithelium is the alveoli. Alveoli are air sacs where the exchange of gases takes place.
They are structured like they are because the help us to breathe. The reason they have alveoli is because they help us with gas exchange
alveoli
ALVEOLI
alveoli
the alveoli
These small sac like structure are known as the alveoli . The alveoli help in the exchange of the gases, oxygen & carbon-dioxide,Lungs contain alveoli to increase the surface area and to easily transport oxygen to the blood vessels which surrounds the air sacs. Also, the air sacs have a thin film of oxygen which helps to absorb oxygen quickly.
The bronchioles branch further into the alveoli in the respiratory system. Alveoli are tiny air sacs where gas exchange occurs between the lungs and the blood.