Ключевые слова: 3d, abstract, anatomy, background, belly, biology, bladder, body, colon, concept, detailed, digest, digestion, healthcare and medicine, healthy lifestyle, human, human digestive system, human internal organ, human intestine, human small intestine, illustration, intestines, kidney, liver, medical, medical drawing, mouth, pancreas, science, stomach, system, the human body, throat, trachea, vertical,