How was the ability to make saliva affect digestion

Saclike organ between esophagus and small intestine that breaks down food into a liquid by the action of muscles, enzymes and acids. between stomach and large intestine. most of chemical digestion happens here and most of the nutrients from food are absorbed. ... How would the inability to make saliva affect digestion?

As you put the food into your mouth your saliva helps the breaking down process of this which is the first step to digesting it. 

The apple is red lol

D. non biodegradable