13.1 Introduction
1. Name the structures composing the cardiovascular system.

13.2 Structure of the Heart
2. Distinguish between the coverings of the heart and the layers that compose the wall of the heart.
3. Identify and locate the major parts of the heart, and discuss the functions of each part.
4. Trace the pathway of blood through the heart and the vessels of coronary circulation.

13.3 Heart Actions
5. Describe the cardiac cycle and the cardiac conduction system.
6. Identify the parts of a normal ECG pattern, and discuss the significance of this pattern.
7. Explain control of the cardiac cycle.

13.4 Blood Vessels
8. Compare the structures and functions of the major types of blood vessels.
9. Describe how substances are exchanged between blood in capillaries and the tissue fluid surrounding body cells.

13.5 Blood Pressure
10. Explain how blood pressure is produced and controlled.
11. Describe the mechanisms that aid in returning venous blood to the heart.

13.6 Paths of Circulation
12. Compare the pulmonary and systemic circuits of the cardiovascular system.

13.7–13.8 Arterial System–Venous System
13. Identify and locate the major arteries and veins.