| Function | Nerve |
| Sense of smell | |
| Vision | |
| Controls eye movement and also pupil dilation | |
| Controls rotating the eye towards the nose & moving the eye downward | |
| Controls touch and pain from the face and head and the muscles for chewing | |
| Controls turning the eye laterally | |
| Controls the muscles of facial expression | |
| Senses sound, rotation and gravity | |
| Partially controls taste & some muscles used for swallowing | |
| Involved in controlling heart rate, speech, digestion, and sweating | |
| Controls swallowing movements | |
| Controls tongue movements | |