Question

describe the anatomy and histology of alveoli​

Answer 1

Answer:

Histology. The alveoli consist of an extremely thin epithelial layer and an extracellular matrix (a fluid space made of collagen and elastin that contains no cells); it is surrounded by many capillaries, the tiniest type of blood vessel. ... Type I (Squamous Alveolar) cells: These form the structure of an alveolar wall.

Answer 2

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Alveoli (singular: alveolus) are the site of gas exchange in the lung. Alveoli are thin-walled, sac-like structures lined by a single layer of flattened squamous epithelial cells: type I pneumocytes. This extremely thin nature of the type I pneumocytes facilitates gas exchange across their surface.