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Explain the 2 functions of the middle ear's ossicles and how they help to counteract acoustic impedance. Name the ossicles involved for each function and

Explain the 2 functions of the middle ear's ossicles and how they help to counteract acoustic impedance. Name the ossicles involved for each function and how much dB amplify by. Begin by briefly explaining acoustic impedance in the ear and why the ossicles are needed.

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