The vitreous body

a) to stabilize the eye and give physical support to the retina.
b) is replaced at the rate of 20 percent per year until middle age.
c) fills the posterior cavity.
d) a, b, and c
e) a and b only

A) helps to stabilize the eye and give physical support to the retina.

Explanation:

The vitreous body is the clear gel located between the retina and the lens, it serves as a support for the retina and as a storage for metabolites moving between lens and retina. It's gelatinous state also functions as a shock absorber for fast eye movements or physical activity. This vitreous body can't regenerate, when is suffer changes is necessary to substitute it.

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the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

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