Short note on digestive system of human boeings clas 10
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digestive system is consists of mouth (buccal cavity) , tongue, oesophagus where the food is teken to the stomach , stomach is a large organ which expands when food enters it the muscular walls of the stomach helps in mixing the food with digestive juices ,
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the process of conversion of complex food substances into their simple absorbable forms is called as digestion
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