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| Question | Answer |
| Ingestion | the taking in of substances through the mouth into the body |
| Absorption | the movement of digested food molecules through the wall of the intestine into blood or lymph |
| Digestion | the break-down of large, insoluble food molecules into small, water-soluble molecules using mechanical and chemical processes |
| Assimilation | the movement of digested food molecules into the cells of body where they are used, becoming parts of the cells |
| Egestion | the passing out of food that has not been digested as faeces through the anus |
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