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Class 11BiologyBreathing and Exchange of GasesMechanism of Breathing
Easy

The breathing rate of a normal healthy man is

  • A
    $8-18$ times/min
  • B
    $6-12$ times/min
  • C
    $16-24$ times/min
  • D
    $12-16$ times/min
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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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