Rythm of a heartbeat

When you feel your heartbeat it is only a rhythm. A rhythm which keeps you existing. Without it you are no more. But the heart is only an object. When you take this object there is no more. The world spins because of this object. This rhythm. The constant rhythm that never stops. But no physical things last forever. For this beat, this beating of the object may and will stop. When it does, will the world? No. So does this object really account for you living. It depends on what you really think living is. Is it what drives this object or what this object drives. And still, this object keeps you. And you wonder....