Define Bronchial tree. Bronchial tree synonyms, Bronchial tree pronunciation, Bronchial tree translation, English dictionary definition of Bronchial tree. n. pl. bron·chi Either of two main branches of the trachea, leading directly to the lungs. America
(ENDS) or e-cigarettes, smokeless tobacco, and nicotine pouches [1]. Most alternative tobacco products sold in the U.S. still contain nicotine, which, in addition to being highly addictive, is known to cause injurious responses in the lungs, heart, and kidneys [2]. Youth studies have ...