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
Descendants of James VI and I in 1603, Anne was the mother of three living children (Henry Frederick, Prince of Wales, Elizabeth and Charles), but had also suffered at least three miscarriages and stillbirths, and had another four children who died in infancy. Their second son succeeded James as King Charles I. Elizabeth was the eldest daughter of James VI and I, and the sister of King Charles I. Among her suitors was King Gustavus Adolphus of Sweden, but she was eventually betrothed to Frederick V, then Elector of the Electorate of the Palatinate in Germany, in 1612. On 14 February 1613, they married and she