Some interesting facts about the heart•The average adult heart beats 72 times a minute; 100,000 times aday; 3,600,000 times a year; and 2.5 billion times during a lifetime.•Though weighing only 11 ounces on average, a healthy heartpumps 2,000 gallons of blood through 60,000 miles of bloodvessels each day.•A kitchen faucet would need to be turned on all the way for at least45 years to equal the amount of blood pumped by the heart in anaverage lifetime•The volume of blood pumped by the heart can vary over a widerange, from five to 30 liters per minute.•Every day, the heart creates enough energy to drive a truck 20miles. In a lifetime, that is equivalent to driving to the moon andback.•Because the heart has its own electrical impulse, it can continue tobeat even when separated from the body, as long as it has anadequate supply of oxygen