2. Questions Bank
  3. 7th Class
  4. Science
  5. Respiration in Organisms

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

  • question_answer
    Ribs are

    A) A part of the human respiratory system

    B) Skeletal structures surrounding the chest cavity

    C) Muscular floor of chest cavity

    D) none of these

    Correct Answer: B

    Solution :

    Skeletal structures surrounding the chest cavity


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