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TEXT-BOOK OF PHYSIOLOGY. 



fluid. In the upper portion of the small intestine, within five inches 

 of the stomach, there are generally two orifices, the terminations of 

 the ducts of the liver and pancreas, organs which secrete the bile 

 and pancreatic juice respectively? The large intestine is from five 

 to six feet in length and extends from the end of the small intestine 

 to the anus. Its walls contain a large number of glands. 



Salivary 6/and 



Large. 

 Intesffne. -H-- 



Verm/form Appendix - 



FIG. 59. DIAGRAM OF THE ALIMENTARY CANAL. 



The general process of digestion is largely accomplished by the 

 chemic action of the digestive fluids : the saliva, the gastric, intestinal, 

 and pancreatic juices, and the bile. Though taking place through- 

 out a large portion of the food canal, the process may be subdivided 

 into several stages: viz., mouth digestion, gastric digestion, and in- 

 testinal digestion. 



