A&P 139 Digestive System Flashcards | Quizlet Place the following labels in the appropriate spot, using the hints, to show the products and substrates of digestion. 1. What is the definition of digestion? 2. What molecules are absorbed into the lymph?. 3. The body utilizes the absorbed nutrients to produce ATP. The mechanical and chemical breakdown of foods into smaller forms. long chain fatty acids true. Tanisha has …