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The subdivisions of the respiratory tree are, from trachea to lungs, are trachea, mainstem bronchi, segmental bronchi, subsegmental bronchi, terminal bronchi, bronchioles, terminal bronchioles and alveoli.

There are about 20 subdivisions of bronchi and bronchioles, they are not named individually.

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15y ago
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12y ago

It's called the Bronchi

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Q: Air passageway between trachea and lungs?
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