Where does this come from, and can I check it?

High-pressure air bursts sweep mucus and foreign particles out of lungs. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Coughing protects lower respiratory airways from blockages

High-pressure air bursts sweep mucus and foreign particles out of lungs

Coughing is a vital defensive reflex that clears mucus, foreign particles, and microbes from the trachea and bronchi. Deep inspiration followed by rapid closure of the vocal folds builds up chest pressure, which releases explosively to sweep airways clean.

Where this comes from

MedlinePlus

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Tags: lungs, coughing, reflexes

Coughing protects lower respiratory airways from blockages: the short answers

Where does this come from, and can I check it?: High-pressure air bursts sweep mucus and foreign particles out of lungs. The figure is taken from MedlinePlus, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a human body fact?: Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.