I picked up a passing comment about heart health on TV the other day ... reminding viewers that during an average human life-span, the ticker mechanism is expected to beat 'several billion times' ! I missed any reference to how the figure was evolved but, using an average 60 beats per minute, I thought I'd waste a few minutes checking the performance of my own engine.
When my 78th birthday arrived earlier this month, It seems my clock would have ticked in the vicinity of 2,459,808,000 times since the embryonic age.
I wonder when the manufacturer's warranty ran out?
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