Hemoglobin is the protein in red blood cells that carries oxygen from the lungs to the rest of the body. It also helps carry carbon dioxide back to the lungs, where it can be breathed out of the body.
Abnormally low levels of hemoglobin result in anemia.
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerJoseph O'Donnell, MD - Hematology, Oncology
Current as ofSeptember 9, 2014
WebMD Medical Reference from Healthwise