The walls of the alveoli are composed of two types of cells, type I and type II alveolar cells. The function of type II alveolar cells is to .

The function of type II alveolar cell is to secrete surfactant.

Explanation:

Alveolar type II secrete surfactant which is a lipoprotein substance.The main function of  Surfactant  is  reduce the surface tension in the alveoli.

Alveolar type II also helps in stabilization.It helps in airway epithelial stabilization.

It also helps in Immune defense, and airway regeneration in response to injury.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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