Iron, Boron, Plutonium and may others.
ferritin
The iron-storage protein in muscle fiber, liver cells, and macrophages is ferritin. Ferritin helps to store and release iron in a controlled manner to maintain iron balance in the body.
Nitrogen is the chemical element that is absent from carbohydrates. Carbohydrates are composed of carbon, hydrogen, and oxygen atoms only.
If you do a search on "Portable Storage Containers" several company appear and offer several sizes in metal containers. But if the Storage box has to be made of specifically Iron than I think you will have some difficulty.
Tests such as serum iron, ferritin, transferrin saturation, and total iron-binding capacity (TIBC) are commonly used to measure the body's iron levels and storage. These tests help diagnose conditions like iron deficiency anemia or iron overload.
In lipid storage diseases, enzymes that would ordinarily break down lipids so that they can be appropriately used are absent. This results in the progressive accumulation of large quantities of these lipids.
Rusting is the process of formation of Iron Oxides on meatls most commonly Iron. Rusting can only take place in presence of three things : IRon , Water , and Air or Oxygen. If even one of these is absent rusting cannot occur.
Absent means not in attendance. You can be absent from school, be absent minded or absent in physical presence for example.
The past tense of 'is absent' is 'was absent'. e.g. "Tim was absent that day."
62.5% of the class was absent if five eighths of the class is absent.
The amount of iron in the body is primarily regulated by the hormone hepcidin, which helps control the absorption of iron from the intestines and the release of iron from storage in the body. Hepcidin levels are influenced by factors such as iron levels in the blood, the body's need for iron, and inflammation.