The Eustachian tube is associated with the .....

The sense of equilibrium by the ear is the function of:

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

In humans, the receptors stimulated by sound waves are:

Select the $CORRECT$ identification group of labelled parts $I, II, III$.

Analogy type question:
$(1)$ Inner ear : Vestibular apparatus :: Cochlea : .........
$(2)$ Organ of Corti : Hair cells :: Tectorial membrane : ........