Question

what is iris........​

Answer 1

your answer

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.

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Answer 2

Answer:

a flat , coloured ring shaped membrane behind the cornea of the eyes is known as iris .