““There was no tickle of breath as she held her face in front of the pilot’s. He was dead. Rachel sat back with a groan. The morphine. Anesthetics not only block pain, they also inhibit the body’s thermoregulatory process. Shivering is one way the body tries to warm itself, fighting cold, as well as pulling blood from the extremities into the torso to protect the vital organs and the brain. The morphine had prevented that, and the man had frozen to death.””