Structures filled with perilymph - $P$
Structures filled with endolymph - $Q$
$I -$ Scala vestibuli,$II -$ Scala tympani,$III -$ Scala media
Select the correct option for $P$ and $Q$.
$P \quad\quad Q$

  • A
    $I, III \quad\quad II$
  • B
    $III \quad\quad I, II$
  • C
    $I, II \quad\quad III$
  • D
    $II \quad\quad I, III$

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