Science, asked by rk8084237562, 5 months ago

Why does the pupil expand in dim light ?

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Answered by Guru181

4

Answer:

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. ... Because some nerve connections cross over to the other eye, both pupils contract in unison

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