Question

what are the functions of red shaped cells and cone shaped cells in human eye

Answer 1

Here is your answer:
Retina of our eye is made up of two types of cells, Rod cells and cone cells.
Rod cells are concern with the brightness or dimness of an object. It gives the message of the brightness of the object to the brain.
Cone cells are concern with the colour of the object. It gives the message of colour of the object to the brain.
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