Excerpt from The Man Who Discovered the Circulation of the Blood
The oldest idea of all was that only the veins contain blood, the arteries air. Galen had corrected this latter mistake by tying a cord above and one below a length of nrterv and cutting out the piece nimve and below the ligatures: blood, of course, and not air was found inside. It was thought that blood went up and down the veins like the ebb and flow of a tide, that crude blood was made in the liver and taken to the heart to be purified. The heat supposed to be produced in this process was. Believed to make it necessary to cool the heart by drawing in air in the act of breathing, and this was regarded as the function of respiration even as late as the time of Heller, that is, the middle of the eighteenth century. The pulse or opening up of the arteries was te garded as an active thing on their part, blood not being forced into them by the heart but drawn into them hiv their own suction like o bellows draw in air. But Harvey said the heart is the pump, and the arteries are filled by its forcing its blood into them.
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Paperback. Condition: New. Print on Demand. This book delves into the life and groundbreaking discovery of William Harvey, the physician who revolutionized our understanding of the human circulatory system. The author provides a vivid account of Harvey's journey, from his early days as a student to his groundbreaking discovery of the circulation of blood. The book explores the challenges Harvey faced, the controversies he encountered, and the profound impact his work had on the field of medicine. Through in-depth analysis and accessible language, the author examines Harvey's experimental methods, his meticulous observations, and the intellectual climate of his time. The book sheds light on Harvey's unwavering commitment to scientific inquiry, his rejection of traditional beliefs, and his determination to uncover the truth about the human body. This book is not merely a biography but a testament to the power of scientific discovery. It highlights the importance of curiosity, perseverance, and the ability to challenge established norms. The author skillfully weaves together historical context, scientific insights, and personal anecdotes to create a compelling narrative that will captivate readers interested in the history of medicine, the nature of scientific progress, and the enduring legacy of one of the most influential figures in the field. 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. print-on-demand item. Seller Inventory # 9781527721265_0
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781527721265
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781527721265
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Condition: New. KlappentextrnrnExcerpt from The Man Who Discovered the Circulation of the BloodThe oldest idea of all was that only the veins contain blood, the arteries air. Galen had corrected this latter mistake by tying a cord above and one below a . Seller Inventory # 2149083100
Quantity: Over 20 available