Sophia Learning
Sophia: Red Blood Cells and Hemoglobin
This lesson will examine the structure and function of red blood cells (i.e., erythrocytes), how new red blood cells are produced, and the role of hemoglobin in transporting oxygen.
WebMD
Web Md: Complete Blood Count (Cbc)
This site from WebMD provides an extremely detailed description of a complete blood count, how it is taken, what it measures, and what the results tell you. Links to important terms within the text and a chart that shows average amounts...