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Q:

How many layers does the wall of the eyeball have?

  • 1
    1
  • 2
    2
  • 3
    3
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    4
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Answer : 3. "3"
Explanation :

The internal structures of the eye consist of three layers of tissue arranged concentrically: The sclera and cornea make up the exterior layers. The uvea is the vascular layer in the middle, subdivided into the iris, ciliary body, and choroid. The retina constitutes the innermost layer and is made up of nervous tissue.

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