respiratory system
English Thesaurus
1. the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing (noun.body)
| hypernym | : | system, |
| definition | : | a group of physiologically or anatomically related organs or parts (noun.body) |
| part holonym | : | airway, respiratory tract, |
| definition | : | the passages through which air enters and leaves the body (noun.body) |
| part holonym | : | respiratory organ, |
| definition | : | any organ involved in the process of respiration (noun.body) |
| part holonym | : | trachea, |
| definition | : | one of the tubules forming the respiratory system of most insects and many arachnids (noun.body) |
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