The size of the pupil of the eye is adjusted by :
a) cornea
b) ciliary muscles
c) optic nerve
d) Iris
Answers
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▶The size of the pupil of the eye is adjusted by :-
▶▶Iris
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Answer:
The size of pupil is adjusted by iris.
The iris is responsible for adjusting the diameter of the pupil to let more or less light in , it is a contractile structure consisting mainly of the smooth muscle surrounding the pupil. Light enters the eye through the pupil and the iris regulates the amount of light by controlling the size of pupil . It is a flat colored ring shape membrane behind the cornea of eye.
Option A is incorrect because it is a transparent part of eye that covers the front portion of eye and act like a window to control and focus entry of light in a eye .
Option B is incorrect because it changes the shape of the lens when your eyes focuses on near object.
Option C is incorrect as optic nerve transmit electrical impulses from eye to the brain.
So, from all above discussion we conclude that option D is correct .
for iris function visit :
https://brainly.in/question/2737666
for function of eyes visit :
https://brainly.in/question/25334118
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