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  3. 7th Class
  4. Science
  5. Respiration in Organisms

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

  • question_answer
    Which of these forms the floor of the chest cavity?

    A) Lungs                          

    B) ribs

    C) diaphragm       

    D) all of these

    Correct Answer: C

    Solution :

    Diaphragm forms the floor of the chest cavity.


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