In this assessment I will outline the gross structure of the Main Body System, produce a diagram of each of the main body systems and explain the reasons for this. I will also cover the main points of P3. · Cardiovascular · Respiratory · Digestive · Renal · Nervous · Endocrine · Reproductive · Lymphatic · Musculoskeletal · Immune Cardiovascular The main responsibility of the cardiovascular system for supplying oxygen to the body, as well as transporting nutrients and it removes waste material from the body and also carbon dioxide from the cells, this cardiovascular system contains the heart, lungs, arteries and veins, although there are four main responsibilities of the cardiovascular system and they are:1. Transport nutrients, gases and waste products in the body2. protect the body from infections and blood loss3. minimum constant amount of body temperature4. good body fluid in the balance of the body's respiratory system...