I understand that the ear drum vibrates to create sound, but when your ears are 100% plugged, how can sound waves vibrate the drum? And I’m not talking about not hearing a jet engine, I’m talking about things more along the lines of everyday noise.
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Stand on one side of the doorway and have a conversation with someone on the other side. You can hear them fine, just like your eardrums can hear things from the outside world.
Now close the door. If the person is still talking, you can still hear them both through the door, but also through the walls/windows around the door.
Even though you plug up your ear holes with your fingers, sound can still get to your eardums in other ways, such as through the bone and tissue.
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