Question

give 2 function of alveolar sac ...
and plzz don't copy from Google.......​

Answer 1

Answer:

Explanation:

it helps in exchange of carbon dioxide and oxygen and form blood stream.

Answer 2

Answer:

The type II alveolar cells (also known as type II pneumocytes) have two functions: (1) to repair the alveolar epithelium when squamous cells are damaged, and (2) to secrete pulmonary surfactant