HUMAN DIGESTIVE system, Pepsin converts protein into proteases and peptones.Digestive enzymes are a group of enzymes that break down polymeric big molecules into smaller building BLOCKS, in ORDER to facilitate their absorption by the BODY. Some common Digestive Enzymes and Juices-Digestive juices and EnzymesSubstance DigestedSaliva-AmylaseStarchGastric Juices-Pepsin and Hydrochloric Acid(HCl)ProteinsPancreatic Juices-TrypsinLipasesAmylaseProteinsFats emulsified by bileStarchIntestinal enzymesPeptidasesSucraseLactaseMaltasePeptidesSucrose (sugar)Lactose (milk sugar)MaltoseBile from the liverBile saltsFats globules