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Class 11BiologyBreathing and Exchange of GasesMechanism of Breathing
Medium

In the expiration condition,the diaphragm becomes

  • A
    Circular
  • B
    Relaxed
  • C
    Fully contracted
  • D
    Expanded
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Class 11 Questions

Class 11

Biology Questions

Chapter

Breathing and Exchange of Gases

Subtopic

Mechanism of Breathing

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