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    Question

    The ________ regulates and controls the amount of light

    entering the eye.
    A pupil Correct Answer Incorrect Answer
    B retina Correct Answer Incorrect Answer
    C cornea Correct Answer Incorrect Answer
    D iris Correct Answer Incorrect Answer

    Solution

    тАв The pupil is the central opening in the iris that controls the amount of light entering the eye by contracting or dilating. тАв Iris controls the size of the pupil, but the pupil itself regulates light entry.

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