Canopic jars were used to store the internal organs of a mummy in Ancient Egypt. The lid had the head of a baboon, human, falcon or a jackal—representing the sons of Horus. These jars were used to store organs which were removed from a dead person, these were the stomach, the intestine, the liver and the lungs, because they were thought to be use less in the afterlife.They only did the mummyfication process to important people. The jars were placed in the tombs with the bodies.