multicellular organismal process
 |__system process__
 |__digestion_______|
                    digestive system process  16 rec.
                     |__defecation 1 rec.
                     |   |__defecation rhythm(+)
                     |   |__regulation of defecation(+) 1 rec.
                     |__gastric acid secretion
                     |   |__acetylcholine-induced gastric acid secretion
                     |   |__gastrin-induced gastric acid secretion(+)
                     |   |__histamine-induced gastric acid secretion
                     |   |__regulation of gastric acid secretion(+)
                     |__gastric motility 1 rec.
                     |   |__gastric emptying(+) 1 rec.
                     |   |__regulation of gastric motility(+)
                     |__hindgut contraction 1 rec.
                     |   |__regulation of hindgut contraction(+) 1 rec.
                     |__intestinal absorption 2 rec.
                     |   |__intestinal folate absorption
                     |   |__intestinal hexose absorption(+)
                     |   |__intestinal iron absorption
                     |   |__intestinal lipid absorption(+) 2 rec.
                     |   |__regulation of intestinal absorption(+)
                     |__intestinal motility
                     |   |__large intestinal transit
                     |   |__small intestinal transit(+)
                     |__maintenance of gastrointestinal epithelium 8 rec.
                     |   |__intestinal epithelial structure maintenance(+) 8 rec.
                     |__mastication
                     |__pancreatic juice secretion
                     |   |__pancreatic amylase secretion(+)
                     |   |__pancreatic trypsinogen secretion(+)
                     |   |__regulation of pancreatic juice secretion(+)
                     |__regulation of digestive system process 4 rec.
                     |   |__negative regulation of digestive system process(+) 1 rec.
                     |   |__positive regulation of digestive system process(+) 1 rec.
                     |   |__regulation of defecation(+) 1 rec.
                     |   |__regulation of gastric acid secretion(+)
                     |   |__regulation of gastric motility(+)
                     |   |__regulation of hindgut contraction(+) 1 rec.
                     |   |__regulation of intestinal absorption(+)
                     |   |__regulation of intestinal epithelial structure maintenance(+)
                     |   |__regulation of pancreatic juice secretion(+)
                     |   |__regulation of saliva secretion(+)
                     |   |__regulation of small intestinal transit(+)
                     |__rumination
                     |__saliva secretion
                         |__regulation of saliva secretion(+)