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Get Full Access to University Physics - 13 Edition - Chapter 1 - Problem 22e
Get Full Access to University Physics - 13 Edition - Chapter 1 - Problem 22e

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# BIO How many times does a human heart beat during a

ISBN: 9780321675460 31

## Solution for problem 22E Chapter 1

University Physics | 13th Edition

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Problem 22E

BIO How many times does a human heart beat during a person’s lifetime? How many gallons of blood does it pump? (Estimate that the heart pumps 50 cm3 of blood with each beat.)

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Solution 22E a) The heart bit rate is 4800 times in an hour approximately. So in one year which consists of 365 days, the heart will beat, 4800 × 365 = 1752000times. The average lifetime of a person now a days is 80 years. So, the heart beats during a human’s lifetime is, 1752000 × 80 = 140160000times. So, a human heart beats 140160000 times during a person’s...

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