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biology > the senses > Flashcards

the senses Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

sense and organ

A

touch-skin
taste-tongue
smell-nasal cavity
sight-eye

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2
Q

conjuntivia

A

the membrane around the eye and protects sclera

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3
Q

sclera

A

tough white coat that holds the eye in shape

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4
Q

choroid

A

nourishes the eye and has melanin to absorb light

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5
Q

retina

A

contains rods and cones ,light receptors and is light sensitive

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6
Q

fovea

A

region of sharpest focus has cones only

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7
Q

blind spot

A

where optic nerve leaves retina, not sensitive to light and has no rods or cones

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8
Q

lens

A

changes shape to focus light on the retina

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9
Q

ciliary muscle

A

causes lens to change shape

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10
Q

iris

A

controls the amount of light entering the eye. the colored part of the eye

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11
Q

pupil

A

let’s light into the eye-opening in the iris

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12
Q

aqueous humor

A

holds front of the eye in shape

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13
Q

vitreous humor

A

supports the eye

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14
Q

optic nerve

A

carries impulses to the brain

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15
Q

cones

A

cells in the retina that see colour

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16
Q

rods

A

cells in the retina that see in black and white

17
Q

PINNA

A

collects vibrations and channels them into the auditory canal

18
Q

AUDITORY CANAL

A

carries vibrations to the eardrum

19
Q

EARDRUM

A

separates the outer ear from the inner ear

20
Q

ossicles

A

hammer, anvil, and stirrup(smallest bone in the body)
transmit vibrations from outer to inner ear and amplify vibrations

21
Q

eustachian tube

A

equalizes pressure on either side of the eardrum

22
Q

cochlea

A

responsible for hearing
converts vibrations into electrical impulses that are sent to the brain along the auditory canal

23
Q

semi-circular canal

A

controls balance

24
Q

organ of corti

A

in the cochlea and contains receptor cells that allow hearing

25
Q

disorder and cause

A

glue ear
stick fluid collecting in the middle ear due to overproduction

26
Q

symptoms and treatment

A

deafness
decongestive nose drops
grommets are inserted

biology (14 decks)

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