Examlex
The traditional but informal designation for the heads of all the major departments of the federal government in the United States is the:
Bronchi
The major air passages of the lungs that diverge from the windpipe, providing the pathway for air flow.
Alveoli
Minute pulmonary vesicles where oxygen is swapped for carbon dioxide in the respiratory process.
Bronchial Constriction
The narrowing of the bronchi in the lungs due to the tightening of surrounding smooth muscle, leading to difficulty breathing.
Pulmonary Emphysema
A long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the air sacs (alveoli) in the lungs.
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