What are red blood cells?

Red blood cells are round with a flattish, indented center, like doughnuts without a hole. Your healthcare provider can check on the size, shape, and health of your red blood cells using tests, such as the complete blood count screening. Red blood cells at work. read more

The red blood cell cell membrane comprises a typical lipid bilayer, similar to what can be found in virtually all human cells. Simply put, this lipid bilayer is composed of cholesterol and phospholipids in equal proportions by weight. read more

Red blood cells are round with a flattish, indented center, like doughnuts without a hole. Your healthcare provider can check on the size, shape, and health of your red blood cells using tests, such as the complete blood count screening. Red blood cells at work. Hemoglobin is the protein inside red blood cells that carries oxygen. read more

red blood cells; white blood cells; hemoglobin; hematocrit; platelets; Your hematocrit is the volume of red blood cells in your body. A hematocrit test measures the ratio of RBCs in your blood. Platelets are small cells that circulate in the blood and form blood clots that allow wounds to heal and prevent excessive bleeding. read more