| Rating | Solver | Clue |
|---|---|---|
| LUNGS | Respiratory organs | |
| GILLS | Respiratory organs end up causing problems | |
| WIND | Breath modulated by the respiratory and vocal organs, or by an instrument. | |
| APPARATUS | A collection of organs all of which unite in a common function; as, the respiratory apparatus. | |
| APNEUMONA | An order of holothurians in which the internal respiratory organs are wanting; -- called also Apoda or Apodes. | |
| RESPIRATORY | Of or pertaining to respiration; serving for respiration; as, the respiratory organs; respiratory nerves; the respiratory function; respiratory changes. | |