sense organs
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| adaptation | the diminishing of a sensation that occurs after continuous exposure to a stimulus
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| analgesic | drug used to relieve pain
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| aqueous humor | clear, watery fluid that fills the anterior cavity of the eye
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| bony labyrinth | complicated system of passageways within the temporal bone that contains the inner ear
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| chemoreceptors | receptors that react to various chemicals, including odors, tastes, and the concentration of carious chemicals in the body
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| choroid | highly vascular layer of tissue in the eye that supplies oxygen and nutrients to the sclera and retina
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| cillary body | thickened extension of the choroid that secretes aqueous humor
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| cochlea | snail-like structure in inner ear that contains the structures for hearing
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| cones | photoreceptors in the retina responsible for color vision
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| conjunctiva | transparent mucous membrane that lines the eyelids and covers the anterior surface of the eyeball (except the cornea)
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| cornea | transparent extension of sclera that sits over the iris and admits light into the eye
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| eustachian tube | passageway from middle ear to nasopharynx
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| gustation | sense of taste
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| lacrimal gland | small gland that secretes tears
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| mechanoreceptors | receptors that respond to factors that change the position of a receptor
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| nociceptors | pain receptors that respond to tissue damage form trauma as well as form heat, chemicals, pressure, or a lack of oxygen
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| olfaction | sense of smell
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| optic chiasm | point in the brain where half of the optic nerve fibers cross to the opposite side of the brain
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| organ of corti | hearing sense organ
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| papillae | protrusions on the tongue on which taste buds are located
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| photoreceptors | receptors in the eyes that respond to light
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| referred pain | pain originating in a deep organ that is sensed as if it's originating form the body's surface
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| refraction | bending of light rays so that they focus on the retina
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| retina | innermost layer of the eye that contains receptors for vision
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| rods | photoreceptors in the retina active in dim light
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| sclera | outermost layer of the eye; formed form dense connective tissue
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| thermoreceptors | receptros activated by a change in temperature
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| tympanic membrane | membrane separating the outer ear from the middle ear that vibrates in response to sound waves; eardrum
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| vestibule | structure of the inner ear that contains organs necessary for sense of balance
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| vitreous humor | jelly-like substance that fills the posterior cavity of the eye
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Created by:
lindstromjPN110
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