Which structures may be found in the walls of the respiratory bronchi? (select all that apply)
A) Smooth muscle
B) Surfactant-producing glands
C) Goblet cells
D) Ciliated cells
E) Epithelial lining

Question

Quizplus · Accepted Answer

The bronchial walls have three layers: an epithelial lining, a smooth muscle layer, and a connective tissue layer.The epithelial lining of the bronchi contains single-celled exocrine glands-the mucus-secreting goblet cells-and ciliated cells.Surfactant-producing glands are found in the alveoli.

Which Structures May Be Found in the Walls of the Respiratory