Examlex
Explain why blood pressure in the pulmonary circuit is lower than in the systemic circuit.
Ciliary Ring
Portion of the ciliary body of the eye that contains smooth muscle cells.
Iris
The colored part of the eye surrounding the pupil, controlling the amount of light entering the eye by adjusting the size of the pupil.
Sclera
The white, outer layer of the eyeball, providing protection and form.
Ciliary Muscle
Smooth muscle in the ciliary body of the eye.
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