Respiratory system
Respiratory system noun - The system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing.
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Synonyms for Respiratory system
Respiratory apparatus and respiratory system are semantically related. In some cases you can use "Respiratory apparatus" instead a noun phrase "Respiratory system".
Respiratory apparatus
Respiratory system and respiratory apparatus are semantically related. You can use "Respiratory system" instead a noun "Respiratory apparatus".
Mutual synonyms
Cite this Source
Respiratory apparatus and Respiratory system. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/respiratory_system/respiratory_apparatus
Respiratory system & Respiratory apparatus. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/respiratory_system/respiratory_apparatus>.
Respiratory apparatus or Respiratory system. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/respiratory_system/respiratory_apparatus.
Google Ngram Viewer shows how "respiratory system" and "respiratory apparatus" have occurred on timeline