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 WordNet Dictionary |
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| | Definition: | | [n] the metabolic processes whereby certain organisms obtain energy from organic moelcules; processes that take place in the cells and tissues during which energy is released and carbon dioxide is produced and absorbed by the blood to be transported to the lungs |
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| | Synonyms: | | internal respiration, respiration |
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| | See Also: | | metabolic process, metabolism, metastasis |
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| Biology Dictionary |
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| | Definition: | | The conversion within the cell of nutrients (such as sugar molecules) into chemical energy in the form of ATP, by reacting the food with oxygen (O2) until the food has completely been degraded into CO2 and H2O. |
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