His identity of him in the wheelchair so people dont know he is a centaur is an example of him not being himself and is hiding his true self from the world meanwhile while he is in camp half blood he is in his centaur form and it is an example of expressing himself freely cause he knows he's safe from the dangers of the world like humans that would most likely kill him because that's human nature we destroy things we don't understand and that is exactly what would happen to chiron if he revealed himself to the world so he stays in the wheel chair to protect himself and camp half blood as well as all the other centaurs.
The brain is the most vital organ in the human body because they're more developed than the brains of other animals. However, humans have traits that other animals don't, such as, the ability to think, ability to invent new ideas, and ability to remember.
