Eyes: Difference between revisions
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{{Header|Eyes 09/21}} | {{Header|Eyes 09/21}}{{cat-anatomy|Eyes}} | ||
[[File:Eyes-7.jpg|thumb|right|150px|{{bc|Eyes}}]] | [[File:Eyes-7.jpg|thumb|right|150px|{{bc|Eyes}}]] | ||
'''Eyes''' are organs that detect light. The simplest "eyes", in even unicellular organisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms and may allow the organism to seek out or avoid light. More complex optical systems with resolving power have come in ten fundamentally different "designs", and 96% of animal species possess a complex optical system. | '''Eyes''' are organs that detect light. The simplest "eyes", in even unicellular organisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms and may allow the organism to seek out or avoid light. More complex optical systems with resolving power have come in ten fundamentally different "designs", and 96% of animal species possess a complex optical system. |
Revision as of 12:06, 22 January 2023
Eyes are organs that detect light. The simplest "eyes", in even unicellular organisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms and may allow the organism to seek out or avoid light. More complex optical systems with resolving power have come in ten fundamentally different "designs", and 96% of animal species possess a complex optical system.
When a person is crying, tears come out of their eyes.
These photos are presented for the purposes of identifying various body parts
Images of Human Body |
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