HOw are eyes useful to us
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The visible part of the eyes is protected by the eyelids and the eyelashes , which have keep dirt ,dust, and even harmful bright light out of the eye .ete are also protected by tears, which moisten them and clean out dirt,dust and other irritants that get past the defences of the eyelashes and eyelids.
Eye are useful to see object which is present around us
iris is present in our eyes to see that
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