Structures and functions of the human digestive system The digestive tract begins at the lips and ends at the anus.
Digestive System Physiology. The digestive system is responsible for taking whole foods and turning them into energy and nutrients to allow the body to function, grow, and repair itself. The six primary processes of the digestive system include: Ingestion of food.
Structures and functions of the human digestive system. The digestive tract begins at the lips and ends at the anus. It consists of the mouth, or oral cavity, with its teeth, for grinding the food, and its tongue, which serves to knead food and mix it with saliva; the throat, or pharynx; the esophagus; the stomach; the small intestine,…This diagram with labels depicts and explains the details of The Digestion System.