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Fibrosis may be caused due to_______

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in Biology – Class 11 by (272k points)
Fibrosis may be caused due to_______

(a) cigarette smoking

(b) snorting

(c) inflammation of alveoli

(d) dust particles

The question was posed to me in an online quiz.

I'm obligated to ask this question of Disorders in Respiratory System topic in division Breathing and Exchange of Gases of Biology – Class 11

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Right answer is (d) dust particles

Easiest explanation: Fibrosis means proliferation of fibrous tissues. This is a kind of occupational respiratory disorder which is found mainly in workers of industries involved mainly in stone grinding. Our body do not have defense mechanism to cope up with this and it thus causes serious lung damage.

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