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Heart Rate Mimic PDF

$0.95
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LL27640
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Product Description

This demonstration illustrates the incredible ability of the human heart to work and work and work. A volunteer will compare their resting heart rate before and after trying to produce the same amount of work as the human heart, by pumping one-third of a pint of fluid 60 to 80 times every minute, for a mere three minutes. Grades 4-8


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