The size of the pupil of the eye is controlled by the ______.5
The size of the pupil of the eye is controlled by the ______.
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Answer : 4. "iris"
1. The iris controls the amount of light entering the eye.
2. Iris is the colored part of the eye, which provides pigment to the eyes.
3. It is attached to the ciliary muscle, which contracts and expands to accommodate the required amount of light.