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Part 1 – The Physiology of the Ear
The human ear is best described by splitting it up into three sections; the outer ear, middle ear and the Inner ear.
Figure 1 Diagram of the human ear
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First of all, the visible part of the outer ear is called the Pinna. The pinna basically captures the sound and redirects it into the auditory ear canal where it hits the eardrum. ...
As the sound travels down the auditory canal in the middle ear it causes the ear drum to also vibrate. The tympanic membrane actually amplifies the sound then transfers the sound vibrations into pressure vibrations in the fluid of the inner ear via three tiny bones (Ossicles) called the anvil, hammer and the stirrup. Within the cochlea of the inner ear there are also thousands of tiny hairs called stereocilia, these are stimulated by the vibrations and send signals to the brain that the mind can understand as sound.
Approximate Word count = 740
Approximate Pages = 3
(250 words per page double spaced)
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