Question

why pupils change there size whener the light changes ?

itz Over but no such thing itz telling ?
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Answer 1

Answer:

In dim light, your pupil expands to allow more light to enter your eye. In bright light, it contracts. ... Part of the optic nerve from one eye crosses over and couples to the muscles that control the pupil size of the other eye. That's why the pupil of one eye can change when you shine the light into your other eye.

Explanation:

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Answer 2

Answer:

Answer: In dim light, your pupil expands to allow more light to enter your eye. ... Part of the optic nerve from one eye crosses over and couples to the muscles that control the pupil size of the other eye. That's why the pupil of one eye can change when you shine the light into your other eye.

Explanation:

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