POETAL CIRCULATION. 



217 



the same work of mixing the juices with the food, and of 

 moving it along. 



Soon after the chyme enters the small intestine it has 

 poured upon it two liquids, which enter the intestine in one 

 common stream ; these are the Bile and the Pancreatic Juice. 

 Two large compound glands, the Liver and Pancreas, lie close 

 to the stomach ; their ducts join before they enter the intes- 



Fig. 63. Diagram of Portal Circulation. 



tine into which these juices are emptied a few inches beyond 

 the stomach. 



The liver, like the pancreas, receives a supply of blood 

 from the aorta ; but the liver is peculiar in receiving, through 



