alleryStart learning →Bronchioles are airways with a diameter of about:
A1 mm
B5 mm
C9 mm
D3 cm
Answer & Solution
Correct answer: A. 1 mm
1. They branch from the tertiary bronchi.
2. They narrow further into terminal bronchioles.
3. Their diameter is about 1 mm.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 22, The Respiratory System._
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