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  3. 7th Class
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7th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    Which one of the following organ systems is responsible for the transportation of food, water and oxygen from one part to the other part of our body?

    A) Respiratory system

    B) Circulatory system

    C) Skeletal system

    D) Digestive system

    E) None of these

    Correct Answer: B

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