State the structure of iris and its function of human eye
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iris is also the part of our eyes . they help to enters the light on retina
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Explanation:
In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. Eye color is defined by that of the iris.
Part of: Front of eye
Nerve: long ciliary nerves, short ciliary nerves
Artery: long posterior ciliary arteries
System: Visual system
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