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This is the outer ear. It catches sound waves and funnels it into the ear canal.
The blue is part is the ear canal, which makes sound waves vibrate the eardrum (the green part). The white parts are the hammer, anvil, and stirrup, the smallest bones in your body and they are vibrated by the eardrum. the stirrup then vibrates the cochlea, the magenta part, which moves its hairs inside itself, which then turns into electromagnetic signals that go to your brain through the auditory nerve (yellow).
The brain then processes the signals and turns it into sounds.
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