Ключевые слова: absorption, adsorption, analysis, bolus feeding, carbohydrates, catabolism, colon, cut, decomposition, demolition, diaphragm, digestion, digestive juices, duodenum, energy, esophagus, food, hospital, hospitalization, intestines, liver, location, man, medicine, metazoans, molecules, pain, pancreatic juice, passing, phagocytosis, problem, saliva, salivary glands, section, small intestine, stomach, structure, study, the human body, vacuoles, x rays,