Oxygenated Hemoglobin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Hemoglobin where the heme group has formed a reversible complex with oxygen (O2) in the lungs. This molecule is found in the systemic arteries and transports O2 from the lungs to the tissues where it is readily released.

**Synonyms:** - HbO2 - Oxyhemoglobin