Medically reviewed by Yasmine S. Ali, MD, MSCIMedically reviewed by Yasmine S. Ali, MD, MSCI The red blood cell (RBC) count is a test that measures the number of oxygen-carrying blood cells in your ...

Hemoglobin is a vital protein found in red blood cells and its primary function is to transport oxygen from the lungs to ...

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...

Aplastic anemia is when your bone marrow can’t make enough healthy blood cells, including red blood cells, white blood cells, and platelets. A CBC measures blood cell levels and is used to diagnose ...