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Class 11BiologyBreathing and Exchange of GasesHuman Respiratory System
Easy

Which of the following prevent the collapsing of the trachea?

  • A
    Muscles
  • B
    Diaphragm
  • C
    Ribs
  • D
    Cartilaginous rings
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Human Respiratory System

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