digestion - process of breaking down food into smaller pieces so that its nutrients can be absorbed while moving through the food flow in the body, intestines - the forth organ that take part in the digestion process, oesophagus - transport food to the stomach, anus - where the undigested food passed out of the body, stomach - to store and break down the food, organ of digestion process - intestines, mouth, oesophagus, anus, stomach ,

science

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?