Why does your blood need iron?

Answer 1

Iron is the essential requirement of a Human body. It is a part of many proteins and enzymes that help in efficient functioning of human body. The most important protein of all is Haemoglobin which is responsible for movement of oxygen around the body. It also controls cell division and growth. Thus Human body required iron for efficient functioning. Haemoglobin is a portein molecule folded arround 4 iron atoms.