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