ear it is phono receptor as respond to sound

Question

EAR

1. It is phono receptor as respond to sound waves.
2. It is teloreceptor as receive stimuli from far distance.
3. It is stato-acousting organ as concerned with balancing and hearing.
4. Study of hearing is audiology. Study of structure and function of ear is otology.
5. Instrument used to examine ear is auriscope.
6. Ear ache is otalgia. Inflamation of ear is otitis.
7. In ear three parts are clear -

                       1. External ear or pinnae          

                       2. Middle ear         

                       3. Internal ear