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Digestive system
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Where does food go after it is chewed and swallowed?
esophagus
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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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How does food move through the digestive tract?
muscles help it
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What creates enzymes to help process food nutrients in the small intestines?
liver
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What are the functions of the digestive system?
digestion, absorption, and for energy
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How long does digestion take?
6-8 hours
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How long is the digestive system?
30 feet
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What type of organ is the stomach?
hollow organ
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The breakdown of food into small molecules is......
Digestion
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Where are the nutrients absorbed?
in the small intestines
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When is your test?
Thursday
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Why is exercise important?
to help food move through the body
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After nutrients are absorbed, how are they delivered to the rest of the body?
the bloodstream
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Why does the body need food?
to get nutrients and energy
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What is the name of the solid matter that leaves the body?
stool
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What happened to food that cannot be used?
It leaves the body as waste
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What helps with the breakdown of large pieces of food?
digestive juices
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What is the purpose of saliva?
to make food softer and easier to swallow
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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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