The red blood cells in your body look like doughnuts. Their main job is to carry oxygen to body tissues and remove carbon dioxide. Anemia is a condition in which the body doesn’t have enough healthy red blood cells. Learn more about anemia by taking this quiz, based on information from the National Heart, Lung and Blood Institute (NHLBI).
Get tips to help you manage your family's health, options to boost your fitness and advice to live your best life.