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10th Class Science Life Processes Question Bank Life Processes

  • question_answer
    Which of the following labelled parts of the circulatory system has the highest concentration of oxygen?

    A) P and Q              

    B) Q and S                               

    C) R and P               

    D) S and R

    Correct Answer: B

    Solution :

    In the given figure Q and S have the highest concentration of oxygen in the blood.


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