Question

what is iris and pupil

Answer 1

Behind the cornea is the iris, the colored part of the eye. The iris acts as a diaphragm, like a shutter on a camera, regulating the amount of light that enters through the pupil. The pupilappears as a black hole at the center of the iris. It is the opening through which light enters the eye.

Answer 2

Explanation:

Iris is a dark muscular diaphragm, which controls the size of pupil....