34: Animal Nutrition and the Digestive System Last updated Save as PDF Page ID12626 Contributed by BoundlessGeneral Microbiology at Boundless 34.1: Digestive Systems34.1A: Digestive Systems34.1B: Herbivores, Omnivores, and Carnivores34.1C: Invertebrate Digestive Systems34.1D: Vertebrate Digestive Systems34.1E: Digestive System: Mouth and Stomach34.1F: Digestive System: Small and Large Intestines34.2: Nutrition and Energy Production34.2A: Food Requirements and Essential Nutrients34.2B: Food Energy and ATP34.3: Digestive System Processes34.3A: Ingestion34.3B: Digestion and Absorption34.3C: Elimination34.4: Digestive System Regulation34.4A: Neural Responses to Food34.4B: Hormonal Responses to Food