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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases3 Marks
Question
What do you understand by occupational respiratory disorders?
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Answer

In some industries, workers may inhale harmful dust. For example, workers in stone crushing plant may inhale silica dust. When there is long term exposure to such situations, lungs can develop inflammation, which leads to fibrosis and ultimately to serious damage to lungs.

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