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32 terms
Terms | Definitions |
|---|---|
 digestive system | organs that break down food so that it can be used for the body |
| mouth | where food enters |
| nutrients | what a body uses to function |
| organ | a collection of tissues that carry out a specialized function of the body |
| pH | value used to espress acidity/basidity of a system |
| proteins | organic compound made of one or more chains of amino acids and is the principal component of all cells |
| rectum | gland that regulated water/salt concentration (where poop is stored) |
| saturated | solution that cannot dissolve anymore in water |
| unsaturated | can dissolve in an add'tl solute |
| carbohydrate | made of carbon, oxygen, and water and provides nutrients |
| catalyst | substance that changes rate of chemical reaction |
| cellulose | thousands of glucose monomers linked in strait chains |
| denature | to change irreversably the structure or shape of protein |
| disaccharide | sugar formed from two monsaccharides |
| enzyme | type of protein that speeds up metabolic in plant and animals w/o being permenantly changed/destroyed |
| esophagus | a long, straight tube that connects the pharynx to the stomache |
| fat | a compound made up of glycerol and fatty acids and stored as a source of energy |
| glucose | monosacharide that holds energy |
| glycogen | hundreds of glucose molecules in branched chains |
| homeostasis | maintenance of constant internal state in a changing enviornment |
| large intestine | the broader/shorter portion of the intestine, where wter is removed and waste made to stool |
| liver | biggest organ in body, sugars to glycogen, makes bile, filters blood |
| lipid | biochemical that doesnt dissolve in water; fats and steroids |
| macromolecule | verly large organic molecule |
| metabolism | sum of all chemical processes |
| monosaccharide | simple sugar and basic subunit of a carb. |
| nucleic acids | organic compound; carry genetic information |
| organic compund | covalently bonded containing carbon |
| peptide bond | chemical bond between amino acids |
| pharynx | mouth to esophagus |
| polysaccharide | startch, celluose, glycogen, one of the carbs |
| small intestine | nutrients are absorbed here |
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