Mary Roach's 'How To Know If You Are Dead'

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In “How to know if you’re dead” the author defines the topic of a brain-dead patient. How we really know if you are death? This question struggled people for century as well the author Mary Roach. “The legal community took a little longer than the physicians to come around to concept of brain death”. (12) Brain death is the complete and irreversible loss of brain function. Roach definition of brain-dead patient begins with “beating-heart cadaver” and “a patient on the way to surgery” (3). She is alive in some sense and well everywhere, but her brain. The body is hook up to a respirator that helps her to breath and her heart to beat. “If you touched her arm, you would find it warm and resilient, like your own.” (4)
However, the patient is a