This chapter reviews the structures and functions of the circulatory and excretory systems. You will learn about the heart and the components of blood, as well as how blood is pumped through a system of vessels. You will also learn about how the kidneys work together with the circulatory system.

In this chapter, you will: describe the structure and operation of the heart identify the three types of blood vessels and their functions describe the components of blood describe the structure and function of the kidneys relate the parts of the nephron to their functions