Furthermore, odds are that when you do see a chameleon change its color, it’s probably trying to broadcast its mood rather than evade predators. Nevertheless, the animal kingdom is filled with amazing color-changers, several of which dramatically outdo the chameleon clan in the skill of rapid-fire camouflage.
The twelve pairs of cranial nerves are continuous with the brain and are numbered from anterior to posterior, according to their attachments to the brain. CN-I is attached to the cerebral hemispheres. CN-II is attached to the central cerebrum via the optic chiasma (hypothalamus), CN-III and IV to the midbrain.