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The Ears

this presentation tells you a bit about the ears & the way they work.

Jarrod Wuhtz

on 3 May 2010

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Transcript of The Ears

The Ears! welcome to a little presentation about the ears. This 'Prezi' presentation will give you an understanding of the ears. And how they work. Made by Group 4 Jarrod, David, Brian & Josh How Do The ears work? The there many parts of the ear like bones, the labyrinth and cochlea There are even bones like the anvil, stirrup, and hammer. The eardrum is the part of the ear that detects sound. It's job is to transmit sound from the air into the ossicles in the middle ear. The word deaf means that: you are unabled to hear usually from a broken bone like stirrup Your ears can not detect all or at least some frequencies of sound. You might think the ear only detects sound. But not only does it do that, It plays a major role in the sense of balance and body position. The bones vibrate and create sound if any-one of the bones break you will be as said deaf also said later the outer ear The ears are made out of no bones at all it's just all cartilage.
It gathers sound energy and focuses it to
the eardrum The visible part is called the pinna functions to collect
and focus the sound waves.
It is composed of a thin plate of yellow elastic cartilage covered with integument and connected to the surrounding parts by ligaments and muscles. Friends, Romans, countrymen lend me your ears. [ This is a saying from the play Julius Caesar by William Shakespeare].
Interesting facts -- When you go up to a high elevation, your ears pop. Ouch!
-- Animals hear better than humans.
-- Once you've lost your hearing it's gone!
-- The three small bones in the middle ear are called ossicles.
-- The middle ear receives air via the Eustachian tube, which is connected to the throat.
-- There are 20,000 hair cells in the Corti.
-- The most common ear disorder is called otitis media, which is a disorder of the middle ear.
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