Question

How does the size of pupil regulated ?

Answer 1

Answer:

light enter the eye through pupil and the iris regulated the amount of light

Answer 2

the size of pupil regulates and controls intestity of light . when you go in bright sunshine , pupil contracts , so that less light to enter in eye. but when you go in dark room , the pupil size increases , to get more and more light to enter in eye.

Explanation:

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