2. Questions Bank
  3. 8th Class
  4. Science
  5. Cell - Structure and Functions

8th Class Science Cell - Structure and Functions Question Bank Self Test-6

  • question_answer
    We breathe in or out air with the help of windpipe called trachea. The trachea does not collapse during the breathing process, because it is made up of ring of soft bones called:

    A) (a) Ribs

    B) (b) Cardiac muscles

    C) (c) Cartilage

    D) (d) Ligaments

    E) (e) None of these

    Correct Answer: C

    Solution :

    (c)


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