Examlex
Normally, a person's different circadian rhythms operatein dependently of one another.
Sclera
The white outer layer of the eyeball that, along with other structures, protects the eye and helps maintain its shape.
Cornea
The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's focusing power.
Pupil
The pupil is the black circular opening in the center of the iris of the eye, which regulates the amount of light that enters the eye.
Iris
The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.
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