1) Taking food and drink into the body through the mouth. a) Digestion b) Ingestion 2) Breakdown of large, insoluble molecules into small, soluble molecules. a) Chemical Digestion b) Digestion 3) Breakdown of food into smaller pieces without chemical change to the food molecules. a) Mechanical Digestion b) Chemical Digestion 4) movement of digested food molecules into the cells of the body where they are used, becoming part of the cells. a) absorption b) assimilation 5) passing of undigested food as faeces through the anus. a) egestion b) ingestion 6) Movement of small food molecules and ions through the intestinal wall into the blood and lymph. a) assimilation b) Absorption

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