PRESENTATION OUTLINE
THE EAR WORK BY CHANGING SOUND WAVES INTO ELECTRONIC SIGNALS
THE PINNA FUNNELS SOUND WAVES INTO THE EAR
- THE EAR DRUM THEN MOVES CHANGING SOUND WAVES INTO motion
- The ear drum hits the hammer
- The hammer hits the anvil
- The anvil hits the cochlear
THE COCHLEA CHANGES THE MOVEMENT INTO ELECTRICAL SIGNALS
THERE ARE TWO DIFFERENT TYPES OF DEAFNESS
BOTH CAN HAPPEN AT BIRTH OR FROM ILLNESS ,INJURY ,AND TRAUMATIC EXPIERENCE