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 narrowest and most numerous tubes of lungs are called ______.

    A) bronchus                     

    B) bronchioles

    C) alveoli             

    D) None of these

    Correct Answer: B

    Solution :

    bronchioles


You need to login to perform this action.
You will be redirected in 3 sec spinner