subject= science
std=10
chapter=11[The human eye and the colourful world]
question= Draw a named figure of the human eye and write it's functions.??
please help me
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Answer:
Main parts and its Functions
cornea
Light enters the eyes through cornea.
Iris
It controls the amount of light entering the eyes.
Pupil
It dilates and contracts and thus enables us to in bright and dark light.
Eye-lens
It is a convex lens and focuses the light entering the eyes.
Ciliary muscles
Holds the eye lens and helps it to change its focal length.
Retina
Part of the eyes where image is formed
Optic nerve
It helps to carry the signals from the retina to the brain.
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