The Description of the Human Body He believed the heat of the heart somehow caused all movement of the body. Blood vessels he realized were pipes, he saw that veins carried digested food to the heart. (This was brought further by William Harvey. Harvey developed the idea of the circulation of the blood.) Descartes felt that an energetic part of blood went to the brain and there gave the brain a special type of air imbued with vital force that enabled the brain to experience, think and imagine. This special air then went through the nerves to the muscles enabling them to move. The Description of
Blood and Oil in the Orient Blood and Oil in the Orient Blood and Oil in the Orient was the first book written by Essad Bey, penname for Lev Nussimbaum (1905–42). The book was first published in 1929 when Essad Bey was only 24 years old. During the following eight years (1929–36), 16 books were published under his name. "Blood and Oil in the Orient", which Essad Bey claimed was an autobiography, concerns the political history of Azerbaijan in the early 20th century. It includes the escape of Lev and his father from Baku across the Caspian Sea to Turkistan and Iran during 1918 when massacres