the ear Flashcards
what part of the ear is the vibrating air collected by
the pinna
what happens when the vibrating air hits the ear drum
the ear drum vibrates
what are the three bones in the ear
the hammer, anvil and stirrup
what does movement of the stirrup cause
the oval window to vibrate
what does the oval window do
make fluid in the cochlea vibrate
what does the vibrating fluid do
moves the hair cells which sends nerve signals to the brain
what does the ear canal do
direct the soundwaves
what does the round window do
release pressure in the ear
what does the outer ear do
collect soundwaves
what does the hammer, anvil and stirrup do
amplify and transfer the vibrations
what does the cochlea do
the fluid inside vibrates and bends the hair cells which recept the sound and sends a signal to the brain
what are cochlea implants
the sense of sound by simulating the auditory nerve directly
