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Chapter 15
Sensory Systems
| Question | Answer |
|---|---|
| Sensory receptors; | receive stimulus and converts it to electrical signal |
| Mechanoreceptor; | touch/pressure, sound, equilibrium |
| Thermoreceptor; | temperature |
| Photoreceptor; | light |
| Chemoreceptor; | chemicals - taste/smell |
| General senses; | touch, pressure, others; throughout body |
| Special senses; | smell, taste, vision, hearing, equilibrium |
| Most of taste; | is actually the sense of smell |
| Olfactory receptors; chemoreceptor; | smell; nasal cavities |
| Taste buds; chemoreceptor; | mouth/tongue |
| Retina; | innermost layer of the eyeball |
| Rods; photoreceptor; | no color vision; dim light |
| Cones; photoreceptor; | color vision, detail; bright light |
| Glaucoma; | aqueous humor doesn't drain; pressure compresses blood vessels in retina killing photreceptors |
| Colorblindness; | genetic; defective cone |
| General idea of how the eye focuses; | ciliary body changes lens shape to ficus light rays directly into retina; cornea to light focusing |
| Nearsightedness; | can only see close objects |
| Farsightedness; | can only see distant objects |
| Cochlea houses hearing receptors; | hair cell mechanoreceptors |
| Vestibular apparatus house equilibrium receptros; | vestibule, semicircular canals |
Created by:
castigisselle
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