Zoology - Neural Control and Coordination Question with Solution | TestHub

Mechanism of Hearing

Sound waves collected by pinna$\to$Vibration in Ear drum$\to$Ear ossicles (malleus, incus and stapes)$\to$Oval window$\to$Vibrations are passed onto the fluid of the cochlea$\to$Generation of waves in the lymphs$\to$Induction of a ripple in the basilar membrane$\to$Bending of the hair cells in Organ of Corti$\to$Hair cells are pressed against the tectorial membrane$\to$Generation of nerve impulses in afferent neurons$\to$Auditory nerves$\to$Auditory cortex of the brain where the impulses are analysed.