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Ear and Eye
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External Ear Internal Ear Middle Ear External acoustic meatus (Auditory canal) Eustachian Tube Tympanum Pinna
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Function of Some Ear Structures
Eustachian tube (function is to equalize pressure on both sides of the tympanic membrane) Semi-circular canal (function is for balance) Cochlea (function is for hearing)
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Vestibulocholear nerve
Semicircular canals Chochlea
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Sclera Cornea
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Iris Pupil
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Choroid layer Iris Pupil Sclera Cornea (clear area)
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Posterior Cavity Anterior Cavity (not anterior chamber) (not posterior chamber) Lens
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Ora Serrata Retina Lens Optic nerve Optic disc Fovea centralis (where light focuses)
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Sclera Cornea Optic nerve
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Sclera Retina Choroid layer Cornea Optic nerve Lens (fell out of place)
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Eye Retina Sclera Choroid
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Eye Retina Choroid Sclera
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