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digestion
vocabulary definitions
| Term | Definition |
|---|---|
| Digetion | the process of changing foods into usable foods |
| saliva | liquid in the mouth that helps in digestion |
| chemical digestion | process by which large food molecules are broken down into smaller food molecules |
| mechanical digestion | process by which larger pices of food are cut and crushed into smaller pices |
| two types of digestion | mechanical and chemical digestion |
| enzyme | chemicals that control chemical reactions in the body |
| esoupagus | moves food down into the stomach |