The Human Body Book: Blood: Physiology and Circulation – Although its ubiquity in the human body may make it seem unremarkable, simply put, blood makes life possible. It nourishes cells throughout the body and transports carbon dioxide to the lungs. Without it, the body would be unable to fight disease and infection or function at all. Readers are invited to follow the course of this extraordinary fluid as it circulates through the body and learn about its component parts. Detailed diagrams supplement the text and allow readers a glimpse into the anatomy and life-sustaining properties of human blood.

The Human Body Book: Blood: Physiology and Circulation
The Human Body Book: Blood: Physiology and Circulation


The Human Body Book: Blood: Physiology and Circulation – 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

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The Human Body Book: Blood: Physiology and Circulation



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