Audience: Students; Grades: 9-12; Subject: Biology. (2010) This video takes students on a fascinating journey, following food as it travels through the digestive system. Clear animations illustrate the functions of the major digestive and excretory structures. Concepts and terminology include: nutrients, salivary glands, teeth, mechanical and chemical digestion, esophagus, peristalsis, stomach, small intestine, enzymes, chyme, villi, large intestine, liver, gallbladder, pancreas, metabolism, colon cancer, acid reflux, kidneys, urea, and nephrons. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfbm1laVlidGw5UFk&usp=sharing