mackjoy7391 mackjoy7391

12-05-2017
Biology

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What structure regulates the amount of light passing to the visual receptors of the eye?

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sineteeh sineteeh

12-05-2017

I think it is a structure of:dim is light where the radial muscles of the iris contract
Circular muscles of the iris relax
Pupil dialates
More light enter the pupil

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