Which of the following receptors are specifically responsible for maintenance of the balance of body and posture? A Basilar membrane and otoliths B Hair cells and organ of Corti C Tectorial membrane and macula D Crista ampullaris and macula
Option D. Crista is a projecting ridge of ampulla which is the swollen base of bony canal in inner ear. Macula is a projecting ridge of saccule and utricle which are otolith organs in vestibular apparatus of inner ear. Crista and macula are specific receptors of vestibular apparatus that are responsible for maintaining balance of body and posture. So, the correct answer is 'Crista and macula'
