304 ANATOMY FOR NURSES [Chap. XV 



LIST OF DIGESTIVE FLUIDS AND CHIEF ENZYMES 



Mastication (chewing) . 

 Insalivation (mixing with saliva). 



Secreted by sali 

 vary glands 



Changes 

 Food 



under- 

 goes in 

 Mouth 



Saliva 



and mucous 

 I Submaxillary \ glands of 

 I Subungual J mouth. 

 L Reflex stimulation. 

 2. Psychical. 

 Consists of water, mucus, and enzjTne — ptyalin. 

 Specific gravity L004-1.00S. Alkaline reaction. 

 One or two quarts in 24 hours. 



Result of 



Functions 



Deglutition (swallowing). 



1. Assists in speech. 



2. Assists in mastication 



deglutition. 



3. Assists in taste. 



4. Acts upon starch. 



and 



