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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| Receptor | Cells sensitive to stimulus, usually concentrated in a sense organ
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| Sclera | .outer layer of eye
.opaque
.protective
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| Choroid | .Middle eye layer
.Black with melanin
.prevents internal rflection
.contains blood vessels
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| Aqueous Humour | .watery filling in front of lens
.gives front of eye shape
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| Vitreous Humour | .jelly filling behind lens
.shapes back of eye
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| Cornea |
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| Outer transparent part of sclera at the front of the eye
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| Retina | Inner layer
Light sensitive
Image forms here
Contains rods + cones
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| Lens | Transparent convex jelly
Focuses light rays onto retina
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| Ciliary muscle | Accommodation
Changes lens shape to focus
Near / far objects
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| Suspensory ligaments | Hold lens in place
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| Iris | Coloured muscle
Adjusts pupil size by reflex
Control amount light entering
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| Pupil | Hole in iris
Lets light in
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| Blind spot | Part of retina with no rods or cones
No vision
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| Optic nerve | Sensory nerve
Brings images from retina to brain
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| Eye Muscle | Anchors eye ball in socket
Eye movements
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| Rods | Light sensitive cells in retina
Most numerous + everywhere
Dim light
Black n white
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| Cones | Least
Concentrated in the fovea
Bright light
Colour
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| External auditory canal | Links pinna to inner ear
Carries sound waves to eardrum
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| Pinna | Funnels sound waves into inner ear
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| Eardrum | Tympanic membrane
Vibrates with sound waves
Passes on to ossicles
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| Eustachian tube | Links middle ear to pharynx
Equalises pressure either side of eardrum
Prevents eardrum bursting
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
deirdre.wardloretomilford.net
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