bio chap9

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what parts of the nervous system are involved in the development of a sensation

the sensory receptpr sends impuls to rhe central nervous system which carries the impulse to the cerebral cortex
what sensory receptors are located within the skin

heat and cold receptors and touch receptors
where are taste and olfactory receptors located
- taste are located in tastebuds on the tounge.
- olfactory- located in the upper portion of the nasal cavity
how are the four basic taste sensations produced

four types of taste receptors sweet bitter salty and sour.
what strucures are invloved in static and dynamic equilibrim
- static- the macula located in the utricle and the saccule.
- dynamic- crista ampullaris
what are the functions of the accessory structures of the eye
- eyelids- spread tears to keep it moist
- eyelashes help keep things out of your eye
- eyebrows- shield the eye from light above.
how are light rays converted into visual sensations

light rays ar bent, light absorbed by the rods creates nerve impluses. impulses are carried to the vision center in the optical lobes of the cerebrum
2 types of touch meissners corpuscles, free nerve endings
pain orginating refered pain
receptors for taste taste buds
epithelim of upper nasal cavity olfactory
decline in impulse accommodation
cochlea of inner ear hearing, equilibrum
membranous labyringth endolymph
receptors for hearing corti,basilar
vibrations of eardrum ear ossicles
haircell receptors saccule, utricle
light ray enter eyes cornea, lens
fovea centralis cones,color
muscles ciliary body
the retna is pressed vitreous humor
the medial fibers optic chasam

Card Set Information

Author:	nissansarebetter88
ID:	144193
Filename:	bio chap9
Updated:	2012-03-27 17:42:35
Tags:	bio chap
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Description:	chap 9 senses
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