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The colored bit is called the iris, and is actually a muscle. it expands and contracts to make the pupil (black bit) either smaller or larger, depending how much light there is. the brighter the outside would is, the smaller the pupil gets.

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13y ago

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The colored ring of muscles that controls the size of the pupil is called?

iris


What is the colored ring of muscle that controls the size of the pupil is called?

The Iris.


Th color ring of muscle that controls the size of the pupil is called?

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.


What is the name for the colored section in your eye?

The coloured section of your eye is called the 'iris'. And the black circular ring is called the pupil.


Is orbit a colored circular structure around the pupil?

No it is called the iris.


What is the eye part of a flower?

An Iris is a flower as well as part of the eye (it is the coloured ring around your pupil).


What is it called when there is the word rosie and then a ring around it?

Ring around the rosie!


What is the black hole in the center of the iris?

The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.


What is the centere of the eye called?

It is actually called "The Eye"!


What controls the size of the pupil in the human eye?

The size of the pupil in the human eye is controlled by the iris, which is a ring of muscle that can expand or contract to adjust the size of the pupil.


I have brown eyes with blue circle around them is that possible?

Yes, it is possible to have brown eyes with a blue ring around them. This is known as a limbal ring, which is a dark ring around the iris that can create the appearance of different colored circles around the pupil.


What do you call a ring that goes around your engagement ring?

It is called a ring guard.