12: The Digestive System Last updated Save as PDF Page ID 84779 Lumen Learning Lumen Learning 12.1: Overview of the Digestive System 12.2: Digestive System Processes and Regulation 12.3: The Mouth, Pharynx, and Esophagus 12.4: The Stomach 12.5: The Small and Large Intestines 12.6: Accessory Organs in Digestion- The Liver, Pancreas, and Gallbladder 12.7: Age Related Changes to the Digestive System 12.8: Age Relate Dysfunctions of the Digestive System 12.9: Glossary- The Digestive System