Eye
Convergence of eyes
Extrinsic muscles pull eyes medially
External part of the ear
Auricle, external acoustic meatus, tympanic membrane
What is the snail-shaped chamber of inner ear?
What happens during constriction of the pupil?
Sphincter pupillae concentration shrinks hole
Funnel-shaped visible part of ear with elastic catilage
Auricle
_____ depends on the frequency of the vibrating object
Pitch
Converting light to electrical signals
Phototransduction
What is the eardrum called?
Tympanic membrane
Loudness depends on wave _______
Amplitude
What are the two types of photoreceptors?
Rods and cones
What are the three tiny middle ear bones?
Malleus, incus, stapes
What are the two types of deafness?
Conductive (interference of wave transmission in external or middle ear)
Sensorineural deafness (malfunction in inner ear or cochlear nerve)
What is color blindness due to?
Absence in one type of cone cell and mostly seen in males
What are the three regions of the inner ear?
Cochlea, vestibule, semicircular canal
Awareness and monitoring of head position
Equilibrium