Ключевые слова: abdomen, anatomy, appendix, biology, body, bowel, colon, concept, digestion, digestive, duodenum, esophagus, healthcare, human, ileum, illustration, intestine, intestines, jejunum, kidney, kidneys, large intestine, liver, medical, medicine, organ, pancreas, rectum, science, small intestine, stomach, tract, viscera, visceral,