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  • Respiration in Organisms (Class VII)
  • Which of the following is not a part of human respiratory...
Multiple choice

Which of the following is not a part of human respiratory system?

  1. Lungs

  2. Diaphragm

  3. Bronchi

  4. Nasal cavity

  5. Wind pipe

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. Diaphragm is the floor of the chest cavity. It is not a part of human respiratory system.

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