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bronchioles
Bronchioles
These are called bronchioles.
bronchioles

bronchiolesthis is the wrong answer,

The bronchioles divide into smaller and smaller tubes, ending in microscopic branches that divide into Alveolar ducts, which end in several alveolar sacs.

Think of it like a bunch of grapes, the aveolar ducts are the stem, the grape clusters represent an alveolar sac, and each grape represent an alveolus.

Alveoli is where the oxygen has to reach to begin gas exchanges between air and blood.
Bronchioles

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Donato White

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3y ago

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