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Oh hello there! Do you hear that river? Sure you do! But do you know how you hear?
Sound enters the ear by filtering through the pinna and then enters the ear canal.
Inside the ear canal there is earwax, which helps fight off infections and traps dirt.
The eardrum vibrates when sound waves hit it. Then the eardrum hits three small bones behind it.
The bones are called the hammer, the anvil, and the stirrup.
The vibration of the bones create waves in the cochlea which is filled with liquid. The cochlea is lined with tiny hairs.
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