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The trachea is held open by a series of ___-shaped cartilage structures.

ejohnson3310

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The trachea is held open by a series of ___-shaped cartilage structures.

The trachea is held open by a series of ___-shaped cartilage structures.
A) C
B) X
C) O
D) I

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JMENDEZ

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ejohnson3310 Author

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macbookpro1

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Harvinder

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