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Respiration — Bio Zoology STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11Bio ZoologyRespiration1 Mark
MCQ
What causes bronchitis?
  • A
    Decrease in the surface area of alveoli
  • B
    inflammation of bronchi and bronchioles
  • ✓
    inflammation of bronchi
  • D
    collection of fluid in the bronchi
✓

Answer

Correct option: C.
inflammation of bronchi
inflammation of bronchi

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