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
    The actual site of gaseous exchange in respiratory system is

    A) trachea          

    B) bronchioles

    C) alveli           

    D) all of these

    Correct Answer: C

    Solution :

    alveli               


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