Digestion in the Intestine. 175 



The Bile Sac. This is a sac of about the size and shape 

 of a pear, and is attached to the under surface of the liver. 

 It has a duct, the bile duct, which empties into the small 

 intestine a few inches beyond the stomach. Part of the 



Sublingual 

 I i vary Gland 



Submaxillary 

 -Salivary Gland 



Mesenteric 

 Vein 



Mesentery 



Fig. 74. 



Intestine 

 The Organs which change Food into Blood. 



bile is at once poured out into the intestine, but part, 

 especially when we are not digesting, is stored in the bile 

 sac, to be poured out during digestion. 



Functions of Bile. i. It aids in emulsifying the fats. 

 2. It aids in the absorption of fat. 



