Blood: Physiology and Circulation (The Human Body) PDF Free Download
Humans have been fascinated by the intricacies of blood as far back as early Egyptian civilization. Tombs in Egypt depicted bloodletting—a procedure through which blood is intentionally removed from a vein—as a treatment for sick patients. Some ancient Greeks drank the blood of a fallen warrior, believing that by doing so they would gain the dead man’s strength and courage. Misunderstandings persisted for centuries. For instance, medical professionals still erroneously believed that bloodletting was the “cure” for a number of maladies well into the Common Era. It wasn’t until 1628, when British physician William Harvey published his fi nding on how blood was pumped from the heart throughout the body and then recirculated, that the widespread practice of draining a person’s blood was called into question. A proper and thorough understanding of blood’s function took thousands of years to develop. Throughout the 20th century and into the 21st, methods of examining, storing, and using blood were improved in order to more effectively fi ght disease and save lives. Indeed, the understanding of how blood works in the body has come a long way, as elucidated in this volume. Readers will discover virtually everything science has learned about blood, from its basic properties to its circulation through the body to its malfunction in disease. Blood has numerous functions in a healthy body. One of its primary tasks is to deliver oxygen and nutrients to the body’s cells. Blood also distributes warmth to those regions that need it the most, wards off disease, and helps to fi lter harmful waste products such as carbon dioxide out of the body
Dr. Taimour is a dedicated medical professional and passionate advocate for international medical graduates seeking to pursue their dream of becoming a doctor abroad. With a wealth of experience and firsthand knowledge of the challenges and rewards of this journey, Dr. Harrison is committed to helping aspiring physicians navigate the complex world of medical licensure exams, such as the USMLE and PLAB, and find their path to success in foreign medical practice.
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