Physical Ed

7th

grade

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Heart & Blood

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    White Blood Cells

    attack viruses only

    attack germs

    protect red blood cells

  • 2. Multiple Choice
    30 seconds
    1 pt

    Plasma

    contains liquid, sugars, proteins, and is 50% of the blood

    contains liquid, sugars, and is 25% of the blood

    contains liquid, salts, and carbon monoxide

  • 3. Multiple Choice
    30 seconds
    1 pt

    Capillaries

    connect arteries to veins, gasses are exchanged

    connect heart valves together

    connect arteries to other arteries

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