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nutrion vocabulary

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Term
Definition
autotroph   self feed  
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heterotroph   gets its nutrional requirements from organic substances  
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chemoautotroph   an organism that gets energy from inorganic substances  
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photoautotroph   an organism that gets its energy for food synthesis from light  
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calories   the energy needed to raise the temperature of 1 gram of water  
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energy   power derived from the physical resources  
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ingestion   taking food in ; absorption  
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digestion   process of breaking down food by mechanical actions  
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egestion   getting rid of solid waste ( metabolic waste )  
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roughage   indigestible material in vegetables that aids the passage of food and waste products through the gut.  
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cellulose   organic compound  
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body mass index   a measure of body fat  
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absorption   the process or action by which one thing absorbs or is absorbed by another  
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diffusion   movement of molecules from high concentration to low concentration  
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villi   are small, finger-like projections that extend into the lumen of the small intestine  
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constipation   bowel movements that are infrequent or hard to pass  
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enzyme   a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.  
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macromolecules   a molecule containing a very large number of atoms  
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bulimia   A serious eating disorder marked by binging, followed by methods to avoid weight gain.  
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anorexia   An eating disorder causing people to obsess about weight and what they eat.  
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Created by: ney valentino
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