The air-filled sac like structures at the end of the bronchial tree is called ____.
A. alveoli
B. bronchioles
C. trachea
D. bronchi
The air-filled sac like structures at the end of the bronchial tree is called ____.
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A. alveoli
Alveoli are the sac like structures at the end of the bronchial tree, this is where gas exchange takes place
Bronchioles: Branches of the bronchi, conduct air to the alveoli
Trachea: tubular structure, conducts air from the larynx to the bronchi
Bronchi: tubular structure, branch of the trachea, conducts air from trachea to bronchioles