Salivary amylase is a digestive enzyme not featured in the concept map. which of the following describes its function? breaks down complex starches into smaller units, and where in the body does this occur? view available hint(s) salivary amylase is a digestive enzyme not featured in the concept map. which of the following describes its function? breaks down complex starches into smaller units, and where in the body does this occur? salivary amylase breaks down steroid hormones into cholesterols in the stomach. salivary amylase breaks down lipids into fatty acids in the mouth. salivary amylase breaks down proteins into amino acids in the stomach. salivary amylase breaks down complex starches into smaller units in the mouth.