Internal ear is filled with
The correct option is C Both A and B
The bony labyrinth is the cavity of the inner ear. It consists of the central vestibule, the semicircular canals, and the cochlea. Inside the bony labyrinth lies a complicated membranous sac, called as the membranous labyrinth. The small space between the wall of the bony labyrinth and the wall of the membranous labyrinth is filled with a fluid called as perilymph. The space within the membranous labyrinth is filled with endolymph.