APPLIED PHYSIOLOGY 



while their thin walls are especially designed for the easy 

 passage of fluid. 



Diagram of the course 01 food in its absorption and assimilation. 



123. Absorption of fat. Fat also diffuses in the alka- 

 line solution contained in the intestine. Under the micro- 

 scope, particles of emulsified fat may be seen inside the 

 epithelial cells of the villus. Only a small part enters the 



