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Special Senses (Sight (eye is well protected (eye socket, eyelashes/eyelid…
Special Senses
Sight
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sclera
outer, white part of the eye, helps maintain shape of the eye
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retina
innermost, has many layers of nerve cells, tranmits light impulses to the optic nerve
cons
sensitive to color, used to see when its light out
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lens
circular structure behind the pupil, refracts the light ray so it can focus on the reting
pupil
opening of the center of the eye, regulates the amount of light
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sight disease
amblyopia
lazy eye, early childhood, cover the good eye to strenghten the bad one
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conjunctiva
highly conagious, reddness, pain, itching, and discharge from both eyes
Glocoma
increase in introcular pressure, loss of peripheral vision
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Ear
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consists of the outer ear, middle ear, inner ear
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disease
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otitis externa
swimmers ear, infection of the external auditory canal
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sense of smell
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humans can detect over 6,000 sensations
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skin and general senses
pressure, heat, cold, touch, pain located in the skin and connective tissue
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SS
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see, hear, taste, smell, maintain balance
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