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5th Class Science Work and Play Question Bank Work and Play

  • question_answer
    When we breathe in, our chest ______ and when we breathe out our chest

    A) expands, contracts

    B) Contracts, expands

    C) Expands, expands

    D) contracts, contracts

    Correct Answer: A

    Solution :

        When we breathe in, our chest expands and when we breathe out our chest contracts.


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