Ключевые слова: 3d, abdomen, ache, acid, acidity, anatomy, body, burn, burning, care, chest, diaphragm, digestion, digestive, disease, disorder, duodenum, esophageal, fluid, food, gastric, gastritis, gastroesophageal, gerd, health, healthy, heartburn, hernia, human, illness, illustration, indigestion, infographic, medical, medicine, mouth, oesophagus, organ, pain, people, problem, reflux, science, sick, sickness, sphincter, stomach, stress, symptoms, system, throat,