Similar term(s): hemoglobin.
A protein found in the red blood cells [of most vertebrates] that is
responsible for carrying oxygen around the body. Haemoglobin picks up the oxygen
in the lungs, and then releases it in the muscles and other tissues where it is
needed. Haemoglobin also contains iron which is critical for it to work
Source: Janssen-Cilag UK Ltd ; Ortho Biotech