Cells in the respiratory tract that move mucus over their surface are most likely to have _____ on the surface.
A) hair cells
B) flagella
C) cilia
D) microvilli
E) microfilaments

Question

Quizplus · Accepted Answer

Cilia are small hair-like structures on the surface of cells that can move in a coordinated fashion to create a directional flow. In the respiratory tract, cilia move mucus that has trapped particles such as dust or bacteria out of the lungs and toward the throat where it can be coughed up or swallowed.

Cells in the Respiratory Tract That Move Mucus Over Their