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EAR AND HEARING. 1. PINNA-outer part of ear 2. EAR CANAL 3. EARDRUM-vibrates when sound hits it 4-6. HAMMER< ANVIL AND STIRRUP-vibrate when eardrum does 7. COCHLEA-converts vibrations to nerve impulses with little hairs 8. AUDITORY NERVE-brings message to brain
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1. PINNA-outer part of ear 2. EAR CANAL 3. EARDRUM-vibrates when sound hits it 4-6. HAMMER< ANVIL AND STIRRUP-vibrate when eardrum does 7. COCHLEA-converts vibrations to nerve impulses with little hairs 8. AUDITORY NERVE-brings message to brain 9. SEMICIRCULAR CANALS-used for sense of balance