THE DIGESTION OF THE NUTRIENTS 55 



through the walls the soaps are split up into the alkali and 

 the fatty acids of which they are formed and the fatty acids 

 reunite with the glycerin to form fat again. The fats pass 

 into the lacteals and are carried into the lymphatic cir- 

 culation and then through the thoracic duct into the 

 blood. 



