Breaking down massive molecules of proteins or starches into smaller sized ones (by digestive enzymes, including amylases and proteases) so they are often adequately absorbed inside the intestines. Oh, now I see! I did not realise which the "out of" within your example was merely meant as "not in" - https://messiahyhnuh.gynoblog.com/27895020/5-simple-statements-about-offizielle-explained