Oral Cavity : Containing 32 teeth in adult for chewing, buccal mucosa, lips in the start of gi tract. Tounge in the floor of whitch are opening fo submandibular ducts. Opening of parotid duct near upper molar in the buccal mucosa. Many more minor salivary glands in the mucosa of oral cavity keeps the cavity moist n help in lubrication n formation of food bolus. Which goes in the phrynx n then to oesophagus. TONSILS are located on either side of pharyngeal in let as gourd to food pipe only before five yrs of age then it may regress or may remain as waste organ.
There are many small swellings on the base of tongue and on post wall of pharynx they are not abnormal but they are small lymph aggregates like tonsils and they are called as lingual n pharyngeal tonsils.