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Class 11BiologyBreathing and Exchange of GasesDisorders of respiration system
Medium

Emphysema is a chronic disorder which is caused due to

  • A
    Damaged trachea
  • B
    Damaged nostrils
  • C
    Damaged alveolar walls
  • D
    Damaged lungs
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Disorders of respiration system

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