JAMB - Biology (2011 - No. 14)
The part of the mammalian ear responsible for the maintenance of balance is the
cochlea
pinna
perilymph
vestibular system
Explanation
The inner ear is made up of both hearing (auditory) and balance (vestibular) components. As already mentioned, the cochlea is that part of the inner ear involved with hearing. (The semicircular canals and the vestibular are the parts of the inner ear involved with balance.)