Question

what is iris and also describe the function of iris

Answer 1

it is a circular dark hole having a hole in In its Centre this hole is called pupil the circular doctor for head muscles and colour pigment the function of iris is to control the size of the pupil and regulate the light entering India

Answer 2

Iris: The circular, colored curtain of the eye. The opening of the iris forms the pupil. The iris helps regulate the amount of light that enters the eye.

function of iris are Behind the iris is the crystalline lens, which helps to refract light. In the center of the iris is the pupil, the black hole that changes size.