Keyword Analysis & Research: iris

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What are the functions of Iris?

The function of the iris is to control light levels in the eye. The round, black dot in the center of the iris is called the pupil. The iris is the barrier between the front and back of the eye.

Is Iris a common name?

As well as being the scientific name, iris is also widely used as a common name for all Iris species, as well as some belonging to other closely related genera. A common name for some species is 'flags', while the plants of the subgenus Scorpiris are widely known as 'junos', particularly in horticulture.

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