Andreas Vesalius's Book On The Fabric Of The Human Body

Andreas Vesalius was led by Galen’s text, On Anatomical Procedures, to do practical research for understanding human anatomy. His book, On the Fabric of the Human Body, was based on his personal dissection of a body to illustrate what he was discussing. It presented a careful examination of the individual organs and general structure of the human body. Vesalius’s discovered Galen’s errors about the human body. Vesalius discovered that the great blood vessels originated from heat instead of the liver.
William Harvey demonstrated in his book, On the Motion of the Heart and Blood, that the heart, not the liver, was the beginning point of the circulation of blood in the body, and the same blood flows in both the veins and arteries making a complete