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7th Class Science Respiration in Organisms Question Bank Respiration in organisms

  • question_answer
                    Which of these are the organs of human respiratory system?

    A)  Trachea                              

    B)  Bronchus           

    C)  Alveolus             

    D)         All of these

    Correct Answer: D

    Solution :

    Trachea, bronchus and alveolus are organs of the human respiratory system.


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