A disease that is caused due to the deficiency of haemoglobin in blood is
Anaemia occurs when you have a decreased level of haemoglobin in your red blood cells (RBCs). Haemoglobin is the protein in your RBCs that is responsible for carrying oxygen to your tissues. Iron deficiency, anemia is the most common type of anaemia, and it occurs when your body doesn’t have enough of the mineral iron. Your body needs iron to make haemoglobin.