This animated music video describes the structure and functions of the human digestive system as the first bite of a sandwich travels through the G.I. tract and gets digested and absorbed along the way. The rhyming lyrics, catchy music, and vibrant animations describe the processes of ingestion, the mechanical digestion and chemical digestion of macronutrients, the absorption of the end products of digestion, and the egestion of digestive wastes in a clear and memorable way. Keywords are spelle