The organ of Corti is situated on the .......

The external ear consists of $..........$

The following figure shows a diagrammatic view of the human ear. Which part represents the external ear?

Select the correct sequence for the mechanism of hearing.
$I -$ Sound waves,$II -$ Oval window,$III -$ Hair cells press against the tectorial membrane,$IV -$ Auditory cortex,$V -$ Auditory nerve,$VI -$ Waves in lymph,$VII -$ Tympanic membrane,$VIII -$ Movement in basilar membrane,$IX -$ Ear ossicles,$X -$ Generation of nerve impulses.

Which of the following nerves supplies the organ of Corti?

The fluid that fills the membranous labyrinth of the rabbit is called .....