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Pulmonary alveolus


 

An alveolus (plural:alveoli), is an anatomical structure that has the form of a hollow cavity. In the lung, the alveoli are spherical outcroppings of the respiratory bronchioles and are the primary sites of gas exchange with the blood.

Location

The alveoli are found in the respiratory zone of the lungs.

Related Topics:
Respiratory zone - Lungs

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