The maculae are present on the acoustic ridges which are found in

Which part of the human ear plays no role in hearing as such but is otherwise very much required?

Analogy type question:
$(1)$ Malleus of middle ear : Attached to tympanic membrane :: Stapes : .......
$(2)$ In the retina of the eye : Blind spot :: Lateral to the blind spot : ......

Minute particles made up of $CaCO_3$ and protein present in the internal ear are called . . . . . . .

In the ampulla of the semicircular canal of the ear,sensory hairs are present. When balance is lost,it is maintained by the action of:

State the location and function of the Organ of Corti.