304 



THE ANIMALS AND MAN 



the front and sides by the lips, the teeth, the gums and cheeks. 

 The tongue (fig. 157) lies on the floor of the mouth. The 



Verm form /Ifpencfix — 



Fig. 156. Diagram of the alimentary canal. (Modified from Landois.) 



hari palate and soft palate form the roof of the mouth. The 

 pendant hanging from the soft palate is the uvula. During 

 deglutition or swallowing the uvula closes the inner passage 



