Examlex
The units on the Hubble constant are ____________________.
Airways
The tubes through which air flows from the nose or mouth to the lungs, including the trachea, bronchi, and bronchioles.
Bronchial Tubes
The numerous smaller branches of the bronchus within the lungs, which serve to carry air further into the respiratory system.
Spent Air
Air that has been used in a process and is expelled, often devoid of oxygen or contaminated with pollutants.
Countercurrent Exchange
A mechanism whereby fluids flow in opposite directions to facilitate exchange of heat, gases, or other substances.
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