The Heart and Its Function (Classic Reprint)
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 14.22
Quantity: Over 20 available
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Print on Demand. This book sheds light on the complex yet crucial organ that is the human heart. Starting with ancient beliefs and progressing through medical advancements, this book illustrates the journey to our current understanding of the heart's anatomy, function, and impact on overall health. Exploring the heart's intricate structure, the author explains how the heart's valves, chambers, and electrical system work together to pump blood throughout the body. They delve into the role of the circulatory system in providing oxygen and nutrients to cells while removing waste products, highlighting the heart's vital role in maintaining homeostasis. Beyond its physical function, this book delves into the heart's connection to our emotional and mental well-being. The author explains how emotions and stress can influence heart health, and how a healthy heart contributes to overall vitality and longevity. Through engaging case studies and expert insights, the book emphasizes the importance of maintaining a healthy heart and provides practical guidance on how to do so. The book not only informs but inspires, encouraging readers to appreciate the remarkable capabilities of the human heart. By understanding its function and the factors that affect it, we can make informed choices to protect and nurture this vital organ, ultimately leading to a healthier and more fulfilling life. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…
Seller Inventory # 9781334513916_0
- Title
- The Heart and Its Function (Classic Reprint)
- Author
- John Langdon Down, Henry Power
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1334513910
- ISBN 13
- 9781334513916
- Seller catalogs
- Health and Fitness
Notwithstanding the many millions of years which our world and race have, according to some, already existed, the discovery of the circulation of the blood is but a thing of yesterday. From some passages in his work, De Trinitatis Erroribus, published in 1531, Servetus would seem to have been fully aware of the lesser or pulmo nary circulation. But it was not till 1628 that the doctrine of the circulation of the blood through the system generally was actually published by Dr. William Harvey, though indeed he 'had taught it publicly from the year 1619. It was not, however, till 1661, more than thirty years subsequently, that the Circulation of the blood was actually demonstrated by means of the micro scope, by Malpighi, so that this important fact has been known for little more than two centuries.
The whole quantity of blood in the body has been reckoned at about one-fourteenth part of the weight of the body; the blood in the body of a man weighing fourteen stone will therefore amount to one stone, or fourteen pounds. If we accept this as a probable average of the weight of blood in the body, then as fourteen pounds amount to 224 ounces, and as the left ventricle contains, as we suppose, only 3 ounces, it follows that the whole blood of a man weighing 196 lbs. Passes through his left ventricle in nearly 75 (74-6) Of its systoles or contractions. And as we suppose the heart to contract only 70 times in a minute, then the whole of the blood of such a man passes through his heart 48 times in one hour, or 1152 times in one day. Of course the length of time that the whole of the blood in a man takes to pass through his heart depends upon three factors, - first, the actual amount of blood he possesses; second, the size of his ventricular cavity; and thirdly, the rate of its pulsation.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Forgotten Books
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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