| internal respiration n. The metabolic process by which living cells absorb oxygen and release carbon dioxide. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  internal respiration - the metabolic processes whereby certain organisms obtain energy from organic molecules; 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 lungsmetabolic process, metabolism - the organic processes (in a cell or organism) that are necessary for life |
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