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.
  It takes approximately seven seconds. Chew slowly! It usually takes a few minutes for the food to get to yo â¦ ur stomach. But the digestion process is much longer. For instance, a cheeseburger may get to your stomach within 6-10 Minutes, but it will take 24 Hours to digest the whole thing.14 people found this useful. It takes approximately seven seconds. Chew slowly! It usually takes a few minutes for the food to get to yo â¦ ur stomach. But the digestion process is much longer. For instance, a cheeseburger may get to your stomach within 6-10 Minutes, but it will take 24 Hours to digest the whole thing.