The principal clinical signs of death are apnea and asystole. Other indications, including loss of cranial nerve reflexes and the cessation of the electrical activity of the brain, may be necessary for those receiving mechanical life support.
It usually takes from 24 to 72 hours for healthy people to completely digest food and eliminate waste products. The first stop for food is the esophagus, which moves food from the back of the throat to the stomach. About six to eight hours after eating, food passes through the stomach and small intestine.
How long does it take to digest starch? Depending on the individual but most people can digest starch in about an hour and 20 minutes , then between 80% - 99% of starch will be dissolved into the blood stream . How long does it take to digest fruit? It takes about 30 minutes for the digestion of fruit.