Science

7th

grade

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Transportation in Animals and Plants

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  • 1. Multiple Choice
    30 seconds
    1 pt

    The blood vessels, having thick elastic walls are called-

    Arteries

    Veins

    Capillaries

    Atria

  • 2. Multiple Choice
    30 seconds
    1 pt
    what do the lungs do in the excretory system
    dispose of carbon dioxide through exhalation
    disposes of smog thru exhalation
    dispose of ultraviolet rays through exhalation
    dispose of rays through exhalation
  • 3. Multiple Choice
    1 minute
    1 pt
    What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?
    Red Blood Cells
    White Blood Cells
    Platelets
    Plasma
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