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Class 11BiologyBreathing and Exchange of GasesMechanism of Breathing
Easy

Hiccups are caused by the activity of which of the following?

  • A
    Intercostal muscles
  • B
    Food in the respiratory tract
  • C
    Diaphragm
  • D
    Insufficient oxygen in the environment
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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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