1 - Food enters the mouth and is mechanically broken up and mixed with saliva, 2 - Food is swallowed - it travels down the oesophagus to the stomach, 3 - Food is mixed with acid to kill bacteria and to help the breakdown of the food, 4 - In the small intestine the food is mixed with enzymes that break down large nutrient molecules into smaller nutrient molecules, 5 - Smaller molecules are absorbed into the blood through villi, 6 - What is left passes into the large intestine where water is removed, 7 - Waste is stored in the rectum before being passed out of the body,

by Anonymous

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