Mortality Quotes in Hyperion

How we cite our quotes: (Chapter.Paragraph)

Quote #10

"Just a minute," [Mike Osho] said and died. Died. A real death. Brain death. (6.317-6.318)

Brain death is a point of no return, unlike those who are of the cruciform and die or Johnny Keats who never had a human "life" the way we know it. Are there other forms of death in the novel? Can anyone die and still be alive?