Which of the following occur with emphysema?

A. Membranes form within alveoli, increasing surface area.
B. Tar from cigarettes blackens alveoli.
C. The walls of the alveoli degenerate, decreasing the surface area for gas exchange.
D. Cells in the bronchial lining divide too fast, causing increased thickness of the bronchial lining.


Answer: C

Anatomy & Physiology

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