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Digestive system

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    Review for Digestive System
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  • Where does food go after it is chewed and swallowed?
    esophagus
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  • How long does digestion take?
    6-8 hours
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  • What happened to food that cannot be used?
    It leaves the body as waste
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  • How long is the digestive system?
    30 feet
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  • What are the functions of the digestive system?
    digestion, absorption, and for energy
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  • The breakdown of food into small molecules is......
    Digestion
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  • Why does the body need food?
    to get nutrients and energy
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  • Where does digestion begin?
    mouth
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  • What happens when you see, smell, or think about a tasty food?
    Saliva forms in the mouth
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  • What is the purpose of saliva?
    to make food softer and easier to swallow
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  • What helps with the breakdown of large pieces of food?
    digestive juices
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  • Where are the nutrients absorbed?
    in the small intestines
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  • After nutrients are absorbed, how are they delivered to the rest of the body?
    the bloodstream
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  • What is the name of the solid matter that leaves the body?
    stool
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  • The system of hollow organs joined by a tube from the mouth to the anus is the
    digestive tract
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  • How does food move through the digestive tract?
    muscles help it
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