Gastrointestinal System II: Answers

1. #115 Gall bladder, H & E
   Bile is released under stimulation from the small intestine.  What hormone is responsible for this?
   CCK.
   
   
2. Questions
   Why can the liver be characterized as both an exocrine and endocrine organ?
   Secretion of bile into ductules, release of products into sinusoids (bloodstream)
   
   
3. What are the secretory products of the exocrine pancreas?
   Digestive enzymes: trypsinogen, lipase, amylase, etc., in inactive state
   
   
4. What is the major factor controlling insulin secretion? 
   blood glucose levels.

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