Given below are groups of terms. In each group, the first pair indicates the relationship between the two terms. Rewrite and complete the second pair.
Example: Oxygen:Inspiration::Carbondioxide: Expiration.
Eye:Optic nerve::Ear:___________
Eye and Ear:
Auditory nerve:
The auditory nerve is a bundle of nerve fibres that carries hearing information between the cochlea of the brain, whereas the optic nerve connects the eye to the brain.