Science

7th

grade

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Body Systems

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  • 1. Multiple Choice
    2 minutes
    1 pt

    The function of the human excretory system is to -

    break food into small molecules that the body can absorb

    dispose of wastes and control body fluid composition

    move materials from the environment into the body

    produce enzymes the body needs to break down food

  • 2. Multiple Choice
    2 minutes
    1 pt
    Image

    The table summarizes some of the structures and functions of the human body. What terms should replace Y?

    protects the body from germs

    allows the body to match the temperature of the environment

    provides a way for carbon dioxide to leave the body

    allows the body to move

  • 3. Multiple Choice
    2 minutes
    1 pt

    To show students that gravity is not the only force that helps move food through the body, the teacher does a headstand and eats a cookie. Which is responsible for moving the food to the stomach?

    chewing by the teeth

    movement of the tongue

    squeezing by the esophagus

    contraction of the stomach

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