Biology

6th

grade

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Circulation

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20 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Blood consists of:

    the heart and the veins

    blood cells and arteries

    plasma and blood cells

  • 2. Multiple Choice
    30 seconds
    1 pt

    These are types of blood cells:

    Red blood cells, platelets and white blood cells.

    Blue blood cells, purple blood cells and white blood cells.

    Platelets, arteries and red blood cells.

  • 3. Multiple Choice
    30 seconds
    1 pt

    Which blood cells transport oxygen and carbon dioxide?

    Platelets

    Red blood cells

    White blood cells

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