Question 3
(Essay)
Identify and briefly describe the function of the labeled structures in the human eye pictured here. 
A: ________
B: ________
C: ________
D: ________
E: ________
F: ________
G: ________
H: ________
I: ________
J: ________
Answer
A: Sclera: protects and supports the eyeball B: Choroids: absorbs stray light C: Retina: contains sensory receptors for light D: Retinal blood vessels: brings blood to and from the eye,providing oxygen and nutrients and removal of waste E: Optic Nerve: transmits visual information from the retina to the brain F: Fovea centralis: area of the retina where cone cells are densely packed; makes acute vision possible G: Posterior compartment filled with vitreous humor: supports eyeball and transmits light H: Retina: contains sensory receptors for light I: Choroid: absorbs stray light J: Sclera: protects and supports eyeball