Definition that contains respiratory system
- trachea one of the tubules forming the respiratory system of most insects and many arachnids
- nerve gas a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system
- endoblast the inner germ layer that develops into the lining of the digestive and respiratory systems
- hypoblast the inner germ layer that develops into the lining of the digestive and respiratory systems
- respiratory disease a disease affecting the respiratory system
- endoderm the inner germ layer that develops into the lining of the digestive and respiratory systems
- respiratory disorder a disease affecting the respiratory system
- entoblast the inner germ layer that develops into the lining of the digestive and respiratory systems
- nerve agent a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system
- respiratory illness a disease affecting the respiratory system