Examlex
Write the electron configuration of Ni2+.
Anterior Sclera
The front part of the sclera, the white, opaque outer protective covering of the eyeball.
Eyelids
Foldable covers made of skin and muscle that protect the eyes from debris and help in regulating the amount of light entering the eye.
Iris
The colored part of the eye surrounding the pupil, responsible for controlling the size of the pupil and thus the amount of light that enters the eye.
Photoreceptor Cells
Specialized neurons in the retina that convert light into electrical signals, enabling vision.
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