The facial nerve, or the seventh cranial nerve has both sensory and motor functions. For sensory, it is involved with taste on the anterior 2/3 portion of the tongue. For motor, is controls facial expressions, as well as tear, nasal, and palatine glands.
Cranial Nerves memory trick. 1) Olfactory. 2) Optic. 3) Oculomotor. 4) Trochlear. 5) Trigeminal. 6) Abducens. 7) Facial. 8) Vestibulocochlear. 9) Glossopharyngeal. 10) Vagus. 11) Spinal Accessory. 12) Hypoglossal. I'm not sure how much this helps, but I'd never seen this little graphic before, and it is clever. Good luck in school; the job is worth it!