Glassfrogs make themselves transparent while they rest by taking red blood cells from circulation and ... are then used to make detailed biomedical images of the molecules. The imaging tool ...

Pancytopenia means you have low counts of all three types of blood cells (red, white, and platelets). (Photo credit: Moment/Getty Images) Inside your bones, there's a spongy substance called bone ...

Iron deficiency anemia is when your body doesn’t have enough red blood cells and thus is low in iron. (Photo credit: iStock/Getty Images) It can happen if you don't eat enough foods containing ...

Share on Pinterest Sebastian Condrea /Getty Images The hemoglobin (Hgb) test measures how much hemoglobin your red blood cells contain. Hgb is a protein produced by your bone marrow that’s ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years, ...