Life expectancy for a male is 74.8 years; a woman, 80+.
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Assuming a heart rate of 50 beats/minute and a lifespan of 76 years, you produce approximately 1,998,650,000 heartbeats. And then, it stops.
Assuming an average rate of 12 breaths/minute and a lifespan of 76 years, you take approximately 479.7 million breaths. And then, it stops.