Digestion - The breaking down of food into simpler substances, Mechanical Digestion - Breakdown food particles by teeth, Chemical digestion - Saliva and digestive juices, Peristalsis - Push the food in mouth cavity to the stomach through esophagus, Stomach - Food stores and further digestion due to acidic nature, Small intestine - Digestion is completed , Large intestine - Absorption of water, Anus - Faces is released through this,

Grade 7 - unit 12 - Human digestive system

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