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The mucociliary elevator is the means by which particles trapped in the mucus of the lungs (produced by goblet cells) is transported out of the lungs, up the trachea, and into the pharynx where it is then swallowed. Cilia on the cells lining the respiratory tract move back and forth to move the mucus.

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11y ago
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13y ago

The flagella from the endothelium causes a peristaltic wave that traps the foreign matter in the mucous and moves it mechanically upstream.

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13y ago

There are tiny hairs that line the airway called Cilia. Thet act as a filter for dust and other particles.

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Q: How does the mucociliary escalator prevent foreign material from getting into the lungs?
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