Ключевые слова: abdomen, anatomy, appendix, biology, bladder, body, bowel, care, colon, diagnosis, diagram, digestion, digestive, disease, doctor, duodenum, esophagus, gallbladder, gastrointestinal, gut, health, healthy, hepatic, hospital, human, illness, inner, internal, intestine, large, liver, medical, medicine, organ, pain, pancreas, patient, rectum, science, scientific, small, stomach, structure, system, treatment,