Ear And Eye Flashcards
Cochlea
Hey spiral shaped fluid filled inner ear structure, it is lined with tiny hairs that move when vibrated and cause a nerve impulse to form
Picks up sound and translates to nerve signal
Eardrum
A thin membrane that vibrates when sound waves reach it
Auditory canal
Channels sound into eardrums
Outer ear
Collects and directs sound
Middle ear
Collects/captures sound
Inner ear
Translates sound and sends to brain
Hammer, anvil, bishop
Tiny bones that vibrate to pick up various pitches
Semicircular canals
Three loops of fluid filled tube that are attached to the cochlea in the inner ear. They help us maintain our sense of balance
Cornea
Protects eye and clarifies/refracts light for image forming
Pupil
Dialates and contracts allowing for light to enter the eye
Iris
Muscle thickens to adjust to brightnes
Lens
MOVES around to help us focus on objects
Retina
Absorbs light and translates to nerve signal
Blind spot
A place I. The retina that can’t capture light
Optic nerve
Sends visual info to the beak