A second -year nursing student is tutoring a first- year nursing student about the cardiovascular system, which is responsible for delivering oxygen and nutrients to all the cells of the body and for removing waste products for excretion.( learning objectives 2,3,4 and 5). (A). What are the cardiac cycle? (B). What is the conduction system? (C). What is the ECG pattern with the underlying electrical activity of the heart? (D).What are the four normal controls of blood pressure? (E). What is the capillary fluid shift, including factors that influence the movement of fluid?