nutrition vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| autotroph | organism that obtains its energy from abiotic sources such as sunlight or inorganic chemicals
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| heterotrophy | organism that obtains it energy and nutrients by consuming other organisms
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| chemoautotroph | an organism that depend on inorganic chemicals for it energy
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| photoautotroph | any organism that derives it energy for food synthesis from light
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| calorie | measure of energy released from digesting food
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| energy | the capacity or power to do work such as capacity to move an object
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| ingestion | the process of taking food and drink or another substance into the body by swallowing or absorbing it
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| digestion | process by which large ,complex molecules are broken down into smaller molecules that can be used by cells
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| egestion | the process of removing undigested waste material the body
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| roughage | indigestible material in vegetable foodstuff that aids the passage of food and waste products through the gut
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| cellulose |
an insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton.
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| body mass index | a weight to height ratio
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| absorption | process by which nutrients move out of one system and into another
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| diffusion | movement of dissolved molecules in a fluid or gas from a region of higher concentration to a region of lower concentration
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| villi | increasing it surface area for the absorption
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| constipation | a condition in which there is difficulty in emptying the bowels, usually associated with hardened
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| enzyme | protein that catalyzes chemical reactions for organisms
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| marcomolecules | a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer
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| bulimia | . An eating disorder characterized by episodes of secretive excessive eating followed by inappropriate methods of weight control,
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| anorexia | eating disorder characterized by markedly reduced appetite or total aversion to food
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