Q)
The external layer (among three layers of eye) is composed of a dense connective tissue and is called the ___________ (E) . The anterior portion of this layer is called the ___________ (C) . The middle layer, ____________________ (F) , contains many blood vessels and looks bluish in colour. The _____________ (F) layer is thin over the posterior two-thirds of the eye ball, but it becomes thick in the anterior part to form the ________________ (B).
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