Question

write a function of the Iris

Answer 1

HEY MATE HERE IS YOUR ANSWER--

FUNTION OF IRIS

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

$hey \: buddy \: here \: is \: ur \: answer$:
.
Iris controls the size of pupil regulating the light that reaches the retina.