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Spring Quiz 7

Masterbooks Intro to A&P Volume 3

sound a series of vibrations
pitch the frequency of a sound
hearing the ability to convert the pressure waves in our environment to action potentials that can be transmitted to the brain
basilar membrane vibrates, causing the cochlear hair cells to move against the tectorial membrane
vestibular apparatus consists of the utricle, the saccule, and the semicircular canals
macula a layer of two different types of cells
vertigo the sensation a person experiences when he feels like he is moving but he isn't
labyrinthitis an inflammation of the inner ear
corneal abrasion a scratch on the surface of the cornea
glaucoma an increase in the eye's fluid pressure that can eventually damage the retina
iris the colored portion of the eye
retina the inner layer of the eye
cataract a clouding of the lens of the eye
Muller cells act like fiberoptic cables, efficiently transmitting the light that strikes the surface of the retina to the photoreceptor cells
photoreceptors the cells that convert light into nerve impulses
color blindness the inability to see color or distinguish between colors
nearsighted one can see close objects well, but will have difficulty seeing more distant objects
farsighted one can see distant objects well, but closer things appear blurry and fuzzy
Created by: larmstrong3
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