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| Frage | Antworten |
| CILIARY MUSCLE | A muscle attached to the lens that causes the iris to change its shape. -puts image to retina -focuses light |
| RETINA | The sensory receptor for the eye. It contains rods (black and white) and cones (color) -shows color -peels off if pressure decreases (retinal detachment) |
| PUPIL | Regulates the amount of light that comes into the eye. -controlled by the iris -hole |
| IRIS | The 'colored part' of the eye. It is the muscle that controls the diameter of the pupil. -color based on genes -dilated = open, constricted = closed |
| LENS | Transparent structure that bends light as it passes through. Its job is to direct the image towards the retina. -directs image |
| SCLERA | The outer part of the eye that gives it its shape. -outer layer -provides protection -sensory organ |
| OPTIC NERVE | Carries impulses from the retina to the cerebrum. -sensory receptor -communication -connects to brain |
| VITREOUS HUMOR | The fluid in the inner eye. It provides pressure for the eye and a medium for light. -deteriorates over time, causing retinal detachment -98-99% water |
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