Occupational Respiratory Disorders — NEET Biology
🔥 Predicted for NEET 2027Occupational Respiratory Disorders: In certain industries, especially those involving grinding or stone-breaking, so much dust is produced that the defense mechanism of the body cannot fully cope with the situation. Long exposure can give rise to inflammation leading to fibrosis (proliferation of fibrous tissues) and thus causing serious lung damage. Workers in such industries should wear protective masks.
Adjacent to a frequently-asked paragraph in the same chapter.
Which are correct? i) Conducting part does not allow gas diffusion ii) Inspiration involves contraction of diaphragm and external intercostals iii) Pneumotaxic centre reduces duration of inspiration iv) Fibrosis increases thickness of the diffusion membrane and decreases O₂ uptake
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