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In the figure of the structure of the ear, the ear drum is indicated by the letter
G
D
H
A
C
E
B
F
Cones and Rods are
In distance vision
The lens becomes more spherical through the action of the ciliary muscles
The lens is pulled taut by the ciliary muscles
The lens is pulled taut by the intraocular pressure
The lens becomes more spherical through the action of the intraocular pressure changes
The lens becomes more cuboid through the action of pupillary constriction