Cardiac Arrest, Revival, and a Change.The body receives chest compressions and the heart fibrillates. The cells chant for the heart to work again except for a veteran red blood cell who is tired of working. The heart is shocked by a defibrillator and works again. The coronary artery gets a stent inserted to clear the blockage, allowing the blood to circulate again. The red blood cells deliver oxygen to all the body's cells, saving them. Afterwards, AA2153 reminisces about his life's journey and meets U-1196 as they note that the body has cleaned up its act...