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Definr the following with full explanation …

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Definr the following with full explanation in english. a.) Cornea. b.) Iris. c.) Pupil. d.) Ciliary muscles.

Posted by S K 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Mahi Gupta 6 years, 3 months ago

a) it is a thin transparent spherical membrane which cover the transparent bulg transparent bulge on the surface of eye ball (diameter of eye ball is equal to 2.3 CM) b) It is a dark muscular diaphragm that controls the size of the pupil. c) It is a small circular opening in the centre of the iris. It appears black. The pupil regulates and controls the amount of light entering the eye. d) It holds the eyelens and can alters the fcal length of the lens by changing its curvature of shapes.

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