The educational objectives this program focuses on are to help students understand these key concepts: testing for fat, carbohydrate starch, carbohydrate reducing sugars, and protein in nutrients • the structures and functions of the digestive system's parts, the specific foods on which some important digestive enzymes and bile salts act, and the effect of pH on the speed at which various enzymes work.

Originally released by Benchmark Media, 2008. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

Testing Foods for Nutrients (6:47); --Human Digestive System (4:47); -- Digestive Enzymes and pH (7:21); .