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11.47: Hearing and Balance

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

anvil

Second of three tiny bones that pass vibrations through the ear.

cochlea

Coiled tube filled with liquid inside the inner ear and lined with hairs that detect vibrations.

ear canal

Tube-shaped opening in the ear.

eardrum

Thin membrane that vibrates like the head of a drum when sound waves hit it.

hammer

First of three tiny bones that pass vibrations through the ear.

hearing

Ability to sense sound.

oval window

Thin membrane that passes vibrations from the stirrup to the cochlea.

semicircular canals

Canals inside the ear that are filled with fluid that moves when the head changes position; helps to maintain the body’s balance.

stirrup

Last of three tiny bones that pass vibrations through the ear.

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Description
Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Aug 30, 2016
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