Question

State one main function each of, iris, pupil and cornea.

Answer 1

Functions of iris, pupil and cornea are:-

Iris controls the size of pupil.

Pupil controls the amount of light entering the eye.

Cornea provides 67% of eye's focussing power.

Answer 2

Heya...

Iris, Pupil, Cornea are the parts of human eye and the one major function of these are :-

Iris :- To control the size of the pupil, when we come in the contact of large or small amount of light then iris control the size of the pupil to get required light...

Pupil :- To control the amount of light entering in the eye it protects our eye to reach in high amount of light...

Cornea :- It allows eye to focusing on any object that lights emit on our eye near about 67%

Thank you