Oxygen combines with haemoglobin in the blood to form


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Oxygen combines with haemoglobin in the blood to form_______

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Haemoglobin is a protein that is made up of four haem groups, which contain iron ions. These iron ions (Fe2+) associated with haemoglobin molecules chemically react with oxygen to form oxyhaemoglobin. Each molecule of haemoglobin can hold four oxygen molecules.


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