What are the three primary layers in the wall of the airways?

The three primary layers in the wall of the airways are the mucosa, submucosa, and adventitia. The mucosa is the innermost layer, which consists of epithelial cells and the lamina propria, providing a surface that helps with secretion and absorption. The submucosa lies beneath the mucosa and contains connective tissue, blood vessels, and glands that produce mucus, aiding in the protection and humidification of the airways. The adventitia is the outer layer made up of connective tissue that provides structural support to the airways.

This understanding is essential for asthma educators, as it helps them explain how the airways function and how conditions like asthma can affect these layers, particularly with inflammation and mucus production. Other options do not accurately represent the primary structural layers of the airways, which contributes to why they are not the correct answer.