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Do We Really Only Get a Certain Number of Heartbeats in a Lifetime? Here's What Science Says : ScienceAlert
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Researchers envision switching a heart beat on and off with light | NSF - National Science Foundation
Alencure Biotech Pvt. Ltd. - Did You Know? The #human #HeartBeats around 100,000 times per day, 365,00,000 times per year and more than a billion times if you live past 30. | Facebook
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