What is iron-deficiency anemia? The most common cause of anemia worldwide is iron deficiency. Iron is needed to form hemoglobin, part of red blood cells that carry oxygen and remove carbon dioxide (a waste product) from the body. Iron is mostly stored in the body in the hemoglobin.

Anemia is when your body doesn’t have enough red blood cells to carry oxygen to your body's tissue. The most common reason for anemia is not having enough iron in your blood. That’s called iron deficiency anemia (IDA). Your body uses oxygen to make energy. That is why anemia can make you very tired or feel lightheaded.

Iron-Deficiency Anemia. Iron is very important in maintaining many body functions, including the production of hemoglobin, the molecule in your blood that carries oxygen. Iron is also necessary to maintain healthy cells, skin, hair, and nails. Iron from the food you eat is absorbed into the body by the cells that line the gastrointestinal tract.

Covalent hydrides are compounds containing either Hydrogen or non-metal compounds that share electron pairs with another element through equivalent electronegativity between them. Types of covalent hydrides: Electron precise: There are exact number of electrons to form covalent bond. For example, Methane ( CH 4)