Science

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Circulatory System

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10 questions

  • 1. Multiple Choice
    3 minutes
    1 pt

    The _________system carries oxygen and nutrients to all parts of our bodies?

    respiratory

    circulatory

  • 2. Multiple Choice
    3 minutes
    1 pt

    What is the main organ of our circulatory system?

    heart

    skin

  • 3. Multiple Choice
    3 minutes
    1 pt

    The heart is about the size of your ________.

    brain

    fist

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