These may evaginate in the elderly to become diverticuli and infected in diverticulitis. The large intestine resorbs water then eliminates drier residues as faeces. Anus has voluntary and involuntary sphincter and ability to distinguish whether contents are gas or solid. No villi in large intestine, but many goblet cells secreting lubricative mucus. Accessory digestive organs Salivary glands Three pairs, parotid, submandibular, sublingual.
Mumps begins as infective parotitis in the parotid glands in the cheek.
The others open into the floor of the mouth. Saliva is a mixture of mucus and serous fluids, each produced to various extents in various glands. Pancreas Endocrine and exocrine gland. Exocrine part produces many enzymes which enter the duodenum via the pancreatic duct. Endocrine part produces insulin, blood sugar regulator.