What is the function of the ciliated cells of the respiratory epithelium? A. to trap inhaled particles not removed by the nasal cavity B. to secrete a mucus layer onto the epithelium C. to move mucus and trapped particles up the bronchial tree D. to secrete surfactant that decreases water surface tension
Option C. Function of the ciliated cells of the respiratory epithelium is to move mucus and trapped particles up the bronchial tree.