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The Ear

The Anatomy and functions of the ear

Pinna The visible part of the outer ear. It collects sound and directs it into the outer ear canal.
Hammer A tiny bone that passes vibration from the ear drum to the anvil.
Ear Canel The tube through witch sound travels to the ear drum
Ear Drum A thin membrane that vibrates when sound waves reach it.
Stirrup A tiny, U shaped bone that passes vibrations from the stirrup to the cochlea. This lithe smallest bone in the human body.
Eustachian Tubes A tube that connects the middle ear to the back of the nose; it equalizes the pressure between the middle ear and the air outside. when you "pop" your ears as you change altitude you are equalizing the air pressure in your middle ear.
Cochlea a spiral-shaped, fluid-filled inner ear structure; it is lined with tiny hairs that move when vibrated and cause a nerve impulse to form.
Auditory Nerve these carry electro-chemical signals from the inner ear to the brain.
Semi-circular canals Three loops of fluid-filled tubes that are attached to the cochlea in the inner ear. They help us maintain our sense of balance
Anvil A tiny bone that passes vibrations from the hammer to the stirrup.
Created by: Liv D'Addio Liv D'Addio