noun
- 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 lungs.
- synonyms: respiration, cellular respiration
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). internal respiration. Retrieved September 20, 2026, from http://smartdefine.org/internal_respiration/definitions/1328439 |
| Chicago | WordNet. 2010. "internal respiration" http://smartdefine.org/internal_respiration/definitions/1328439 (accessed September 20, 2026). |
| Harvard | WordNet 2010, internal respiration, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/internal_respiration/definitions/1328439>. |
| MLA | WordNet. "internal respiration" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/internal_respiration/definitions/1328439> |