The iris gives the eye it's color. It is not a muscle.
dark brown(nearly black) is the most common eye color in korea.
Brown eyes...
They are greenish
Her eye colour was grey.
Grey
Melanin. The amount and type of pigment in the iris of the eye gives the eye it's color.
The presence of myoglobin gives the muscle tissue its red color.
Melanin.
The iris is the structure in the eye that gives it color. It is a thin, circular structure that controls the size of the pupil and regulates the amount of light that enters the eye. The amount of pigment in the iris determines the color of the eye.
Melanin. The amount and type of pigment in the iris of the eye causes the eyes color.
Melanin.
Myoglobin
fur color, eye color,
myoglobin gives the muscles the reddish brown color
This would be the iris.
The iris is made up of muscles and pigmented tissues that control the size of the pupil, allowing more or less light to enter the eye. It also gives the eye its characteristic color, which is determined by the amount and type of pigment present in the iris.
The color ring of muscle that controls the size of the pupil is called the iris. It can expand or contract to regulate the amount of light entering the eye.