Identify each of the following as mechanical(M) or chemical(C) forms of digestion.
-Mastication in the mouth with the teeth.
-The addition of hydrochloric acid in the stomach, forming chyme.
-Churning and mixing in the stomach.
-Salivary amylase catalyzes the breakdown of starch into maltose.
-Pepsin catalyzes the breakdown of protein into amino acids.
-Segmentation and mixing in the small intestines.