rednecker13 rednecker13

28-05-2014
Biology

contestada

why is it necessary for the trachea to have rings of cartilage in its walls?

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28-05-2014

these incomplete cartilaginous rings prevent the trachea from collapsing

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Boeing7478i Boeing7478i

29-05-2014

Dianak is 100% correct. If the trachea collapses, you would not have the capability to breathe.

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