Translates sound vibrations into nerve impulses; controls both static and dynamic equilibrium
What is vestibular system?
Globe-shaped organ that consists of three layers.
What is eyeball?
Dilates to allow more light to enter the eye; constricts to decrease the amount of light entering the eye
What is pupil?
This is the name of the hole (in the middle of the iris) that opens and closes depending on the light conditions.
What is the pupil?
Dilates to allow more light to enter the eye; constricts to decrease the amount of light entering the eye
What is the pupil?
Dark blue middle layer that supplies blood to the entire eye
What is the choroid?
Vibrations of the tympanic membrane cause these three tiny bones to move, sending vibrations to the inner ear
What are the ossicles?
Snail-shaped structure of the inner ear lined with the Organ of Corti and filled with perilymph; part of the vestibular system
What is cochlea?
Pale, transparent fluid within the labyrinth that responds to changes in body position based on gravity
What is endolymph?
Attached to the retina; transmits visual information to the brain
What is the optic nerve?
Thin mucous membrane covering the outer surface of the eye that contains blood vessels and secretory glands
What is conjunctiva?
This is the biconvex, crystal-like, clear structure which can change shape to focus light precisely onto the posterior, internal eye.
What is the lens?
Surrounds the pupil and gives the eyes their color
What is the iris?
Attached to the lens; includes several ciliary muscles
What is the ciliary body?