Name the four parts labelled as a, b, c and d in given diagram and write their functions

CBSE Class 10 CBSE Class 10 Science
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Name the four parts labelled as a, b, c and d in given diagram and write their functions.

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  1. Pupil: It controls and regulates the amount of light entering the eye.|
  2. Ciliary muscles: These muscles help to modify the curvature and thereby, the focal length of eye lens to focus the image of the object on the retina.|
  3. Iris: It controls the size of the pupil.|
  4. Retina: A real, inverted and diminished image of the object is formed on it.|