Question

The _ is the black circle present in the eye _
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Answer 1

pupil is your answer.

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Answer 2

Answer:

The pupil is the black circle present in the eye.

Explanation:

The pupil is the black circle in the center of the eye, and its primary function is to monitor the amount of light that comes into the eye. When there is a lot of light, the pupil contracts to keep the light from overwhelming the eye.