16. What happens to a dust particle that is too large to stay airborne and land in the alveoli? - (A) It lands in the respiratory bronchiole, where it is coughed out. - (B) It lands in the bronchi, where it is absorbed. - (C) It lands in the mucociliary ladder, where type II macrophages phagocytize them. - (D) It lands in the mucociliary ladder and moves to the pharynx to be swallowed. - (E) It lands in the mucociliary ladder, where it is moved to the trachea to be exhaled.