Category 1
Digestive fluid that is produced by the salivary glands to aid food digestion.
Saliva
The external part of the ear.
Auricle
The colored part of the eye that regulates the amount of light entering the eye.
Iris
Innermost area of the eye, where the image is received by the rods and cones.
Retina
Unit used to measure the frequency of sound.
Hertz (Hz)
A recently discovered taste sensation described as "beefy".
Umami
3 very small bones in the middle ear that transmit sound from the eardrum to the inner ear.
Malleus, Incus, and Stapes
The transparent covering of the outer eye.
Cornea
Specialized cells in the eye that are sensitive to color.
Cones
A measure of the intensity, or loudness, of a sound.
Decibel
Region of the nasal passage where odors are detected.
Olfactory area
Tympanic membrane
Clouding of the lens of the eye, causing blurred vision.
Specialized cells in the eye they are sensitive to light.
Rods
Condition in which stimulation of one sense creates a response in both the stimulated sense and another sense.
Synesthesia
Spiral, fluid-filled structure that is the essential organ of hearing.
Cochlea
How often the material in a medium vibrates when a wave passes through the medium.
Frequency
Fluid-filled structures in the inner ear that are responsible for helping to maintain balance.
Semicircular canals
Infection of the middle ear.
Otitis media
The ability of the eye to focus on objects at various distances because of changes in the shape of the lense.
Power of accommodation
A membrane that connects the middle ear to the inner ear.
Oval Window
Passageway connecting the middle ear to the back of the throat.