The region on the retina that produces the sharpest vision is called the

The is a membrane covering the anterior portion of the eyeball except for the cornea

Most olfactory receptors are located on the surface of the nasal cavity.

The ciliary muscle is supplied by the

The outer covering of the eye is called the

Blind spot of the eye is known as

The stapes sends its vibrations to the

The membranous labyrinth contains fluid.