Upper level: b539 Functions related to the digestive system, other specified and unspecified
(Feeding function)
Functions related to taking in and manipulating solids or liquids through the mouth into the body.
Inclusions: functions of sucking, chewing and biting, manipulating food in the mouth, salivation, swallowing, burping, regurgitation, spitting and vomiting; impairments such as dysphagia, aspiration of food, aerophagia, excessive salivation, drooling and insufficient salivation
Exclusion: sensations associated with digestive system (b535)
Lower livel: