noun Download 🔗Share The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre). Examples : "My grandpa, who has low hemoglobin, needs to eat more iron-rich foods to improve his oxygen levels. " medicine physiology biochemistry anatomy biology body organ substance Chat with AIVocabulary GamePractice Reading
