Exam 23: The Digestive System

The chemical and mechanical processes of food breakdown are called .

Chemical digestion reduces large complex molecules to simpler compounds by the process of )

There are three phases of gastric secretion. The cephalic phase occurs .

Pepsinogen is the precursor to the gastric enzyme for protein digestion and is secreted by the parietal cells.

The principal enzyme for breaking down carbohydrates is .