nbsp-HERE IT IS SAID THAT nbsp-The cilia move the mucus containing dust particles back to the pharynx- where it is swallowed-topic- Parts nbsp-of Human Respiratory System- nbsp-Trachea-does it mean that the mucus containing dust particles reach the stomach-Then how are they removed out of the body-

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Standard XII

Biology

GERD

nbsp;HERE IT ...

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HERE IT IS SAID THAT The cilia move the mucus containing dust particles back to the pharynx, where it is swallowed.topic- Parts of Human Respiratory System- Trachea:-does it mean that the mucus containing dust particles reach the stomach.Then how are they removed out of the body.

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Solution
When mucus reaches stomach, it is destroyed by the acidic conditions present in the stomach.

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