Accidents: Every so often someone gets smacked in the head REALLY hard and from their injury we learn about the brain. The most famous case occurred in 1848 to a fellow named Phineas Gage. Phineas was working on the railroad when an iron pole shot through his head.
Lesions: A lesion is the removal or destruction of part of the brain. Doctors will lesion a patients brain during brain surgery. By removing parts of the brain we are able to learn what different parts of the brain do.
heat exhaustion is the answer to this problem!
Ophi is the fear of snakes, gloss is the fear of public speaking, acro is the fear of heights, muso is the fear of mice and avio is the fear of flying. all of these are the most common phobias(fears) world wide!
Without it, you wouldn't be stable. You would be a blob on the floor.