The air cells of the lungs are the:
A) cilia.
B) pleura.
C) alveoli.
D) bronchi.
C
Explanation:
A) The cilia are hairlike structures that line the trachea and bronchi.
B) The pleura are the lining tissues of the lung cavities.
C) Correct.
D) The bronchi are major airways between the trachea and bronchioles.
Health & Biomechanics
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