Ammonium fluoride is a white crystalline solid that is soluble in water and is fairly stable. Ammonium fluoride is labeled as a poison by the Department of Transportation. Ammonium fluoride is utilized in brewing, chemical analysis and wood preservation. Continue Reading.
Bronchi are the main passageway into the lungs. When someone takes a breath through their nose or mouth, the air travels into the larynx. The next step is through the trachea, which carries the air to the left and right bronchus. The bronchi become smaller the closer they get to the lung tissue and are then considered bronchioles.
The trachea â the tube connecting the throat to the bronchi. The bronchi â the trachea divides into two bronchi (tubes). One leads to the left lung, the other to the right lung. Inside the lungs each of the bronchi divides into smaller bronchi. The broncheoli - the bronchi branches off into smaller tubes called broncheoli which end in the pulmonary alveolus.