Science, asked by gudu163, 7 months ago

why do pupils dilate in darkness?

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Answered by riya84336

Explanation:

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Answered by LoveSickGirl

They appear black because light almost never escapes through them. The colored part around the pupil called the iris adjusts the size of the pupil. Its main function is to regulate the amount of light that enters the eye. In dim light the pupils dilate (open wider) so more light can enter.

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