Cartilage gives way to smooth muscle fibers at tubules called __________________. alveolar lobar bronchi alveolar ducts respiratory bronchioles segmental bronchi
Question
Cartilage gives way to smooth muscle fibers at tubules called __________________. alveolar lobar bronchi alveolar ducts respiratory bronchioles segmental bronchi
Solution
The cartilage gives way to smooth muscle fibers at tubules called respiratory bronchioles.
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