Alveoli – Tutorial

Alveoli are microscopic balloon-shaped structures located at the end of the respiratory tree They expand during inhalation, taking in oxygen,

Alveoli allow oxygen to enter the blood They are very thin to let oxygen move from the lungs to the blood vessels, and for carbon dioxide to be

alveoli Each person has hundreds of millions of alveoli in their lungs This network of alveoli, bronchioles, and bronchi is known as the bronchial tree The lungs

alveoli Segmented 3D images of alveoli in ducts and sacs in inspiration and in expiration Scale bar, 50 μm The ratio of the alveolar depth