13
Question
The part of the eye that controls the amount of light entering the eye.
The part of the eye that controls the amount of light entering the eye.
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Solution
The correct option is B Iris
The pupil dilates in the dark, to allow more light to pass through, while it constricts in bright light to cut down the amount of light entering the eye. However, the size of the pupil is controlled by the iris muscles.
Iris
The pupil dilates in the dark, to allow more light to pass through, while it constricts in bright light to cut down the amount of light entering the eye. However, the size of the pupil is controlled by the iris muscles.
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