The ____ is a wedge-shaped thickening in the middle layer of the eyeball that controls the shape of the lens.
A. sclera
B. iris
C. choroid
D. ciliary body
D. ciliary body
Health Professions
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The first step in planning a lesson is to write the objectives
Indicate whether the statement is true or false
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Our breathing rate is controlled by the level of:
A. oxygen in the blood. B. hemoglobin in the blood. C. carbon dioxide in the blood. D. RBCs in the blood.
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