Explain how a human eye is working for the body, Biology

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Explain how a human eye is working for the body.

Every tissue in the body requires basic components which are either derived from the body itself or we acquire them from external source. These components are metabolised in our body to generate energy and for developinent of essential tissue components. The major factory for production of these essential components is the liver. Human eye also requires similar components for growth for its generation of energy and its tissue growth. Various biochemical reactions take place in the eye, so as to provide energy, perform regular maintenance and repair of the structure of the eye and perform the routine functions pertaining to vision. In this process, metabolic by-products and waste material is also produced, which if accumulates may be toxic to the normal ocular tissue.


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