Chapter 24c

Hemoglobin protein in red blood cells consisting of heme, globin, and iron that is responsible for carrying oxygen	Hemostasis the process of stopping blood loss	Leukocytes white blood cells	Leukocytosis an increase in the number of white blood cells
Leukopenia a decrease in the number of white blood cells	Lymphocytes white blood cells, categorized as T or B lymphocytes that attack viruses, tumor cells, and produce antibodies	Myeloid stem cell a cell that can differentiate into a number of blood cells depending on the growth factor that acts on it	Neutrophils white blood cells that serve as the first response to infection