An Hgb blood test measures a person’s hemoglobin levels. This protein helps red blood cells carry oxygen and keep cells and organs functioning. Low hemoglobin is known as anemia. Hemoglobin is also ...

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

Hemoglobin is an iron-rich protein in red blood cells that enables the blood to carry oxygen to tissues throughout the body. Low hemoglobin levels often indicate anemia, but high levels can also be a ...