Chapter 3, Problem 1CT

Juanita Gomez was diagnosed as having ___________________________. This bone marrow disorder is characterized by the insufficient production of one or more types of blood cells.

Figure 40.17 Varicose veins are veins that become enlarged because the valves no longer close properly, allowing blood to flow backward. Varicose veins are often most prominent on the legs. Why do you think this is the case?

The death of the walls of blood vessels is ____________________.