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Animation: Organs of Digestion
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Involuntary muscle contractions which move a bolus through the gastrointestinal tract are called
A)mastication.
B)peristalsis.
C)defecation.
D)chime.



2Hydrochloric acid is secreted in the
A)esophagus.
B)stomach.
C)small intestine.
D)large intestine.



3Most nutrient absorption occurs in the
A)esophagus.
B)stomach.
C)small intestine.
D)large intestine.



4What organ produces bile?
A)liver
B)small intestine
C)pancreas
D)stomach



5Which of the following is the correct order for the major parts of the gastrointestinal tract?
A)esophagus, stomach, large intestine, small intestine, mouth
B)mouth, stomach, esophagus, large intestine, small intestine
C)mouth, small intestine, stomach, esophagus, large intestine
D)mouth, esophagus, stomach, small intestine, large intestine







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