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Class 11BiologyBreathing and Exchange of GasesMechanism of Breathing
Medium

Select the correct option for the given figure (assuming the figure shows expiration).

  • A
    Expiration process is shown.
  • B
    Volume of the thoracic cavity decreases.
  • C
    Diaphragm relaxes.
  • D
    All of the above.
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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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