Ключевые слова: anatomy, anus, appendicitis, appendix, body, cancer, cecum, colon, diagram, digestion, digestive, disease, duodenum, esophagus, gastric, gastrointestinal, gi tract, git, health, human, ileum, illustration, intestinal, intestine, intestines, large, medical, organ, rectum, science, small, stomach, structure, system, tissue, tract,