Describe the functions of (a) cornea (b) pupil (c) ciliary muscles (d) iris
Answers
Cornea--It is the outermost part of the eye.It is white in colour.It protects the eye from external particles such as dust...
Pupil--It is a hole like structure that is open.It assures us that only a specified amount of light will enter in eye.
Cilairy Muscles--It controls the focal length of the eye lenses.Due to its loosening hypermetropia is caused.
Iris--It is of different colours .It controls the diameter and size of pupil...
And Chill karo!!
Answer :-
Human Eye is the most valuable and sensitive organ.
Cornea :- It act as a primary lens.
Pupil :- It controls and regulates the amount of light entering the eye.
Ciliary muscles :- These muscles helps to modify the curvature and there by the focal length of eye lens to focus the image of the object on the retina.
Iris :- It controls the size of the pupil.