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==Key Stage 3==
===Meaning===
[[File:Trachea.png|right|200px|thumb|A diagram showing the [[bronchiole]]s.]]
The [[bronchiole]]s are small branches of the [[bronchi]] which link the [[alveolus|alveoli]] in the [[lung]]s to the [[trachea]].
===About the Bronchioles===
===Meaning===
The [[bronchiole]]s are small branches of the [[bronchi]] which link the [[alveolus|alveoli]] in the [[lung]]s to the [[trachea]].
===About the Bronchioles===
: There many [[bronchiole]]s in the [[lung]]s.
: The [[bronchiole]]s connect to air sacs which contain several [[alveolus|alveoli]].