The heart's unstoppable rhythm: 100,000
 beats daily, 2.5 billion in a lifetime The human heart, a fist-sized muscular organ at the center of life, performs a truly remarkable feat every single day — beating approximately 100,000 times, circulating about 2,000 gallons (7,500 liters) of blood throughout the body. Over a typical lifetime, this adds up to an estimated 2.5 billion heartbeats, depending on factors such as lifespan and physical health. Medical experts confirm that the average adult heart rate ranges from 60 to 100 beats per minute, which translates to roughly...