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Home Q & A Board Biology-Related Homework Help Biochemistry
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love2211 love2211
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6 years ago
Which part of the gastrointestinal (GI) tract is involved in the production of protective mucous?
 
  1. Goblet cells
  2. Submucosal layer
  3. Circular muscle layer
  4. Columnar epithelial cells
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tgreen77tgreen77
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