Fatty acid metabolism months, and, during this entire period, the energy is derived from degradation of fat stores. Migrating birds similarly build up large fat reserves before embarking on their intercontinental journeys. Thus the young adult human’s fat stores average between about 10–20 kg, but varies greatly depending on age, gender, and individual disposition. By contrast the human body stores only about 400 g of glycogen, of which 300 g is locked inside the skeletal muscles and is unavailable to the body as a whole. The 100 g or so of glycogen stored in the liver is depleted within one day of starvation.
Organ donation in Australia regards to organ donation, which has a large impact on families giving consent for organ donation. Donation cannot go ahead without families consent even if the person is on the donor register. In most cases religions support organ donation. There are a few aspects of each religion that make the logistics of organ donation difficult however most of these can be overcome in some way. Most organ donations in predominately Muslim countries are live donations, for example in Iran in 2006 only 13% of renal transplants were from deceased donation. In Islamic religion, violating the human body whether living or