1 Place the following layers of the wall of the respiratory

1. Place the following layers of the wall of the respiratory tract in order from innermost to outermost.

A. Adventitia

B. mucosa

C. submucosa

Ans B C A that is mucosa is the innermost and adventitia is the outermost and submucosa lies in between both of them.

Mucosa is made up of epithelium ans supporting lamina propria

Submucosa has mixed sero mucous glands

Adventitia is a layer of loose areolar connective tissue