Examlex
Stock market circuit breakers stop stock trading for a short time when the stock market experiences a significant drop in stock values.
Tracheal Tubes
A system of air-filled tubes in insects and some other arthropods that allow for gas exchange directly with body cells.
Spiracles
Small openings found on the surface of some animals, such as insects and spiders, that lead to their respiratory systems.
Gills
The respiratory organs of aquatic animals that extract dissolved oxygen from water and release carbon dioxide.
Respiratory Gases
Gases involved in the process of respiration, primarily oxygen (O2) for inhalation and carbon dioxide (CO2) for exhalation.
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