Biological Processes / by Clinton, Romelia, author 648190

“…In humans this is done with a chemical breakdown (enzymes and acids) and physical breakdown (oral mastication and stomach churning.) The second process of bioassimilation is the chemical alteration of substances in the bloodstream by the liver or cellular secretions. …”
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Digestive System and Gastroenterology Procedures by Zielinski, Shaniya, author 648294, Dix, Ryann, author 648295

“…Then it travels down the esophagus into the stomach, where hydrochloric acid kills most contaminating microorganisms and begins the mechanical breakdown of some food (e.g., denaturation of protein), and chemical alteration of some. …”
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Obesity / by Isaac, German, author 648154

“…In severe cases, surgery is performed or an intragastric balloon placed to reduce stomach volume and/or bowel length, leading to earlier satiation and reduced ability to absorb nutrients from food. …”
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