Hemoglobin (IMAGE) Walter and Eliza Hall Institute Caption Iron is an important component of the protein haemoglobin, which is contained in red blood cells and carries oxygen around the body. Image from Haemoglobin and Sickle Cell Anaemia WEHI.TV animation. Credit Walter and Eliza Hall Institute, Australia Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.