General Anatomy and Physiology. Welcome to Edheads Virtual Knee Surgery. Circulatory system. (Dr.
Girish Chandra) Circulatory system is the transport system of body that carries oxygen, carbon dioxide, nutrients, hormones and other materials from the place where they are produced or absorbed to the place where they are needed by the tissues. Chemical energy must be constantly produced in the body to carry out all biological processes and to defeat entropy. Energy is produced by oxidation of glucose and other nutrients in mitochondria. Build a Body.