Starvation their normal body weight. Once the loss reaches 40% death is almost inevitable. Under normal metabolic conditions, the human body relies on free blood glucose as its primary energy source. The level of blood sugar is tightly regulated; as blood glucose is consumed, the pancreas releases glucagon, a hormone that stimulates the liver to convert stored glycogen into glucose. The glycogen stores are ordinarily replenished after every meal, but if the store is depleted before it can be replenished, the body enters hypoglycemia, and begins the starvation response. After the exhaustion of the glycogen reserve, and for the next 2–3
Organ transplantation in fiction Organ transplantation in fiction Organ transplantation is a common theme in science fiction and horror fiction. Numerous horror movies feature the theme of transplanted body parts that are evil or give supernatural powers, with examples including "Body Parts", "Hands of a Stranger", and "The Eye". Organ transplants from donors who are unwilling, or incapable of objecting, to having their organs removed are a recurring theme in dystopian fiction. In contrast to unwilling organ donors, there is the theme of individuals who want to donate their own life-critical organs, such as a brain or heart, at the cost of their own