Cranial nerves anatomy I Olfactory II Optic III Occulomotor IV Trochlear V Trigeminal VI Abducent VII Facial VIII Auditory IX Glossophharyngeal X Vagus XI Spinal Accessory XII Hypogossal Components and functions CN I, II, III CN IV, V, VI, VII, VIII, IX CN X, XI, XII -Zareen Shafqat