Have you ever paused to wonder how many times your heart has beaten since birth? This incredible organ works tirelessly, never resting, yet most of us rarely consider its relentless rhythm. From the first rapid thumps of a newborn to the steady pulse of an adult, the heart powers every moment of life, quietly sustaining every thought, movement, and breath. How does it manage billions of beats over a lifetime without faltering? Why do athletes and newborns have such different heart rhythms? And could your daily habits really influence how long this vital organ keeps ticking? Exploring the science, mechanics, and astounding statistics of the heart reveals not only its endurance but also the extraordinary story of life itself. The heart is roughly the size of a fist and sits centrally in

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