Biology, asked by piyushsharma1472005, 8 months ago

how is the entry of dust and bacteria prevented during inhalation?
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Answered by hemanth101

2

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Particles, such as dust and soot, mold, fungi, bacteria, and viruses deposit on airway and alveolar surfaces. ... Cilia propel a liquid layer of mucus that covers the airways. The mucus layer traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.

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Answered by Anonymous

1

Particles, such as dust and soot, mold, fungi, bacteria, and viruses deposit on airway and alveolar surfaces. ... Cilia propel a liquid layer of mucus that covers the airways. The mucus layer traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.

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