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A. Ears. 1. How do you hear? a. Sound waves area cased by vibrations that travel through solids, liquids, or air. b. these sound waves enter the outer ear and are funneled into the middle ear through the ear canal. c. the sound waves cause the eardrum to vibrate which cause 3 bones in your middle ear to then vibrate (hammer, anvil, and stirrup) ................
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