Which of the following structures is $NOT$ associated with body balance?

What are the functions of the ear?
$I -$ Hearing
$II -$ Analysis of impulses
$III -$ Body balance
$IV -$ Olfaction

$P$ is a continuous tubular structure. Inside these tubes, $Q$ is arranged.
$\quad\quad\quad P \quad\quad\quad Q$
$(A)$ $Scala \text{ vestibuli} \quad$ $Scala \text{ media}$
$(B)$ $Scala \text{ media} \quad$ $Scala \text{ tympani}$
$(C)$ $Scala \text{ tympani} \quad$ $Scala \text{ media}$
$(D)$ $Scala \text{ media} \quad$ $Scala \text{ vestibuli}$

Select the correct option for the vestibular apparatus.

Choose the correct sequence for the mechanism of hearing.

In mammals, the middle ear and inner ear are enclosed by which of the following bones?