Facts about Bronchial Tree

1. 05

   Smooth muscle surrounding the bronchial tree can contract or relax to regulate airflow, a mechanism that becomes dysfunctional in asthma.

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2. 04

   Goblet cells and mucous glands lining the bronchial tree produce mucus that traps inhaled particles, which cilia then sweep toward the throat for removal.

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3. 03

   Each lung receives its own primary bronchus — the right being wider and more vertical than the left, making it a more common site for inhaled foreign objects.

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4. 02

   Air passing through the bronchial tree travels through roughly 23 generations of branching airways before reaching the alveolar sacs.

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5. 01

   The bronchial tree branches repeatedly from the trachea into progressively smaller airways, ending in microscopic bronchioles that deliver air to the alveoli.

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