HESI-A2anatomy physiologymediumQRN-HESIA2-D360BE8F1E

What is the purpose of the "air spaces" within the middle ear?

A.It provides a route for infections to travel.B.It equalizes air pressure between the middle ear and the outside environment.C.It amplifies sound vibrations before they reach the inner ear.D.It produces earwax to trap debris.

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What is the purpose of the "air spaces" within the middle ear?

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