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5th Class Science Human Body and their Needs Question Bank Human Body and Nutrition

  • question_answer
    Pick the odd one out.

    A) Heart                

    B)            Blood

    C) Blood vessel                 

    D) Trachea

    Correct Answer: D

    Solution :

        Heart/ blood and blood vessel, are parts of circulatory system where as trachea is a part of respiratory system.


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