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Describe the Three Main Functions of Systems

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Describe the three main functions of systems.


Definitions:

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

Lens

An optical device that bends and focuses light rays, used in glasses, cameras, and various optical instruments.

Ophthalmoscope

A tool used by healthcare professionals to examine the interior of the eye, including the retina and optic nerve.

Optic Chiasm

An X-shaped structure formed by the crossing over of the optic nerves, allowing visual information from both eyes to be processed by both hemispheres of the brain.

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