1 86 



PHYSIOLOGY. 



ducts ; these supplementary glands are the salivary glands, 

 the pancreas, and the liver. 



Length of the Intestine. The length of the small 

 intestine is about twenty-five feet, and of the large intestine 



Parotid Sali- 

 vary Gland 



Gullet 



Precaval Vein 

 Postcaval Vein 



Sublingual 

 Salivary Gland 



Hepatic Vein 



Mesenteric 

 Vein 



. Pancreas and 

 Duct 



Receptacle of 



Chyle 

 : -~ Lacteals 



~ Mesentery 



Intestine 

 Fig. 69. Diagram of the Organs Concerned in the Conuersion of Food into Blood. 



five or six feet. The large intestine is not a direct con- 

 tinuation of the small ; that is, the small intestine opens 

 at a right angle into the large near the beginning of the 

 latter, so that there is a short blind end called the cecum. 



