(N/A) The human eye is a complex sensory organ. Based on the provided diagram,the parts are labeled as follows:
$(a)$ Aqueous chamber: The space between the cornea and the lens,filled with aqueous humor.
$(b)$ Cornea: The transparent anterior portion of the sclera.
$(c)$ Lens: $A$ transparent,biconvex crystalline structure held in place by ligaments attached to the ciliary body.
$(d)$ Retina: The innermost layer of the eye containing photoreceptor cells (rods and cones).
$(e)$ Vitreous chamber: The large space between the lens and the retina,filled with vitreous humor.
$(f)$ Blind spot: The point on the retina where the optic nerve leaves the eye; it lacks photoreceptor cells.