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DIGESTION AND ABSORPTION, , > The process of conversion of complex food substances in to simple absorbable, forms is called digestion., > Human digestive system consists of alimentary canal and associated glands, DENTITION, + Each tooth embedded in a socket of jaw bone.This type of attachment is called, thecodont dentition., + Most mammals have two types of teeth-milk teeth and permanent teeth. This, type of dentition is called diphyodont dentition., Different types of teeth in man, Four different type of teeth present., Insciors - 8, Canines - 4, Premolars - 8, , Molars -12, , Dental formula of man is 2123 / 2123, , Dental formula of milk dentition is, 2102 / 2102, , ce PENNE, , , , Tongue, > Tongue is attached to the floor of the buccal cavity by frenulum., > Tongue posses projections called papillae which bear tastebuds, Flow chart of alimentary canal, Mouth buccal cavity pharynx oesophagus — stomach, Small intestine large intestine anus, , Epiglottis, Epiglottis is a cartilaginous flap which prevent the entry of food in to the glottis during, swallowing., Stomach, + Stomach has three regions., 1anterior cardiac, 2.middle fundus, 3.posterior pyloric, , , , Anatomical regions of human stomach