3.03 remember the structures of the sensory system
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3.03 Remember the structures of the sensory system. Essential questions. What are the structures of the sensory system?. The Senses. Eyes Sight Ears Hearing Nose Smell Tongue Taste Skin Touch. Eyes. Structures of the eyes. External structures Orbit Eyelids Eyelashes - PowerPoint PPT PresentationTRANSCRIPT
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3.03 Remember the structures of the sensory system
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Essential questions
What are the structures of the sensory system?
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The SensesEyes
SightEars
HearingNose
SmellTongue
TasteSkin
Touch3.03 Remember the structures of the sensory system 3
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Eyes
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Structures of the eyesExternal structures
OrbitEyelidsEyelashesConjunctivaLacrimal apparatusExtrinsic muscles
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Structures of the eyesExternal structures
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Structures of eyesExtrinsic muscles
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EyesInternal structures
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Eye TriviaWhich famous
screen actress was noted for her stunning eyes?
Many people thought her irises were violet in color…
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What gives the
iris color?
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Structures of the eyesInternal structures
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Structures of the eyesRods and cones
Rods Active in dim light Do not perceive color
Cones Active in bright light Perceive color
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EyesRevie
w
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Name the structures…
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Ears
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Structures of the earsExternal earMiddle ear
Also known as the tympanic cavity
Inner earAlso known as
the labyrinth
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Structures of the earsExternal
earPinna or
auricleAuditory
canal or external auditory meatus
Ceruminous glands
Tympanic membrane
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Structures of the earsMiddle ear
OssiclesHammer or malleus
Anvil or incus
Stirrup or stapes
Eustachian tube
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Structures of the earsInner ear
Cochlea Perilymph
fluidSemicircula
r canals Endolymp
h fluidVestibule
chamber
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EarsReview
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Name the structures…
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Nose
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Structures of the noseNaresNasal ciliaNasal septumOlfactory
receptorsTurbinates
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Structures of the nose
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Structures of the noseOlfactory area
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Structures of the nose
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Discuss the structures
of the nose in relation
to the
olfactory nerve.
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Tongue
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Structures of the tongue
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Structures of the tongueTaste
receptorsAlso known as
gustatory buds or taste buds
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What type of
tissue is
the tongue
made?
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Trivia TongueDid you know…
Taste is the weakest of the five sensesWe have almost 10,000 taste buds inside our
mouths; even on the roofs of our mouthsEveryone’s tongue print is different similar to
fingerprints
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Skin
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Structures of the skinEpidermis layerDermis layerSubcutaneous
layer
Touch receptorsTactile corpuscles
located in the skinTemperature
sensorsPain receptors
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Structures of the sensory systemDid you know…..Our eyes are always the same size from birth, but our nose and ears never stop growing!
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Essential questions
What are the structures of the sensory system?
The End
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