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Biology 16 Online
OpenStudy (carynlim):

Why is the inner lining of the bronchiole folded?

OpenStudy (jeremy13):

Isn't that where the oesophagus at the little folding part.

OpenStudy (hectoroftroy):

No, bronchioles are in the lungs. They increase surface area available for oxygen to be transferred from the air space inside the lungs to the blood inside the body's tissues.

OpenStudy (carynlim):

Thanks for trying but the answers are incorrect. The given answer is to allow for expansion during breathing. I'm not sure why though, can anyone please explain?

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