Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Myeloblasts are precursors to specific types of white blood cells that help your body fight infections. Too many myeloblasts may be a sign of a blood cancer like leukemia. Myeloblasts, or blast cells, ...

This article was reviewed by Felix Gussone, MD. How to Read Blood Test Results: What “Normal” Really Means for Your Health ...