Why are the eyes of people of color, red or yellow or orange?
Eyes of most people to brown, blue or green, while some birds, for example, may be the color ofher eyes red, yellow or even white.
Limited number of colors of people's eyes is a direct result of the limited amount of the chemical pigment hemoglobin, which can be produced by Iris compared with other species.
Article hemoglobin working to change the color of reflected light as a result of selective absorption of light .
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