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Other quiz:

Respiratory and Urinary › View

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

A. mucus

B. trachea

C. larynx

D. epiglottis

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Skin Structure › View

As we age, elastin fibers naturally weaken causing a loss of:

A. elasticity

B. porosity

C. absorption

D. pigment

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