The mucus escalator involves cilia causing movement of mucus with its trapped particles toward the alveoli where the particles can be engulfed by alveolar macrophages.
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Q98: Q99: Q100: The maximum volume of air that can Q101: Residual volume can be measured because the Q102: During expiration, the intra -alveolar pressure decreases, Q104: The bronchus diverges into two lobes, the Q105: The elasticity of the lungs facilitates expansion Q106: Alveolar macrophages function to engulf pathogens and Q107: The trachea rhythmically collapses and expands during Q108: The decrease in transpulmonary pressure during expiration
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