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  3. 7th Class
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  5. Respiration in Organisms

7th Class Science Respiration in Organisms Question Bank Respiration In Plants And Animals

  • question_answer
    Oxygen is carried to the tissues of an insect by

    A) blood                          

    B) gills

    C) lungs                           

    D) tracheae

    Correct Answer: D

    Solution :

    tracheae


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