Essentials of Biology (5th International Edition)
Essentials of Biology (5th International Edition)
5th Edition
ISBN: 9781259660269
Author: Sylvia S. Mader, Dr., Michael Windelspecht
Publisher: Mcgraw-Hill
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Chapter 23, Problem 1TC
Summary Introduction

To determine:

A total number of heartbeats and volume of blood pumped by heart up to the present day.

Given:

Heart rate is 70 beats per minute and heart pumps 5.25 liters of blood each minute.

Introduction:

If the heart beats 70 beats per minute, then total beats in one day will be 10,0800. The total volume of blood pumped in one day will be 7560 liters. If present age is 22 years and 20 days, then total days will be 7940 (taking approximately 30 days in a month).

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The Cardiovascular System: An Overview; Author: Strong Medicine;https://www.youtube.com/watch?v=Wu18mpI_62s;License: Standard youtube license