DIGESTIVE SYSTEM 👉 This process of conversion of complex food substance to simple absorbable forms is known as DIGESTION. 👉 The alimentary canal opening the mouth and posterior/ending through the anus . MOUTH 👉 The mouth area is known as buccal cavity / oral cavity. 👉 The oral cavity has number of teeth and muscular tongue. 👉 Each tooth is embedded is a socket of jaw bone. This type of attachment is known as THECODONT. 👉 Majority mammals two set of teeth, set of milk/deciduous teeth replaced by a set of permanent/adult teeth . This is known as Diphyodont 👉 Adult human has 32 permanent teeth which are 4 types Incisors (I), Canine (C), premolars (PM) and Molars (M). 👉 Dental formula 2123/2123 👉 The hard chewing surface of the teeth , made up enamel , helps in the mastication of food. 👉 The tongue is a freely movable muscular organ attached to the floor of the oral cavity by the frenulum . 👉 The upper surface of the tongue has small projec...
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