Structure of the Eye
Structure of the Ear
The Ear and Homeostasis
Vision and Homeostasis
The Rest
100
The outer covering of the eye that supports and protects the eye’s inner layers; the white of the eye.
What is the sclera?
100
The proper name for the ear drum.
What is the tympanic membrane?
100
Must travel through a medium.
What is sound?
100
Causes light to bend and slow down
What is the cornea and the lens?
100
Each hair cell has 30-150 of these which respond to mechanical stimuli, and their movement causes nerve cells to generate an impulse.
What are cilia?
200
Watery liquid that protects the lens of the eye.
What is the aqueous humour?
200
Air filled tube that equalizes pressure between the external and internal ear.
What is the eustachian tube?
200
Detects the motion of the body and the position of the body with respect to gravity.
What is the inner ear.
200
Interprets the information of the image
What is the brain?
200
The function of this is to amplify vibrations received from the outer ear.
What is the ossicles?
300
Low intensity photo receptors.
What are rods?
300
The location of the vestibule. (section of ear)
What is the inner ear.
300
Involves movement along one plane.
What is static equilibrium?
300
Adjustments are made by the lens and pupil of the eye for near and distant objects.
What is accommodation?
300
The hearing apparatus in a cochlea.
What is the organ of corti?
400
Photo receptors that operate in bright light to identify colour.
What are cones?
400
The external ear flaps.
What is the pinna?
400
Affected by vibrations when hearing sound.
What is the eardrum and/or the ossicles.
400
This carries an electric impulse from the eye to the central nervous system.
What is the optic nerve?
400
Cillary muscles must contract in order to view these objects.
What are near objects.
500
Innermost tissue at the back of the eye composed of three layers of cells.
What is the retina?
500
The three bones that carry sound in the middle ear.
What are the malleus, the incus, and the stapes.
500
Opening this tube equalizes air pressure around the eardrum.
What is the eustachian tube.
500
Muscles used to thicken or thin the lens in order to focus on objects.
What are the ciliary muscles?
500
Vision defect caused by abnormal curvature of the cornea.
What is astigmatism.
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