Answer:
O calcium
Explanation:
In medicine, a mineral is any nutrient that is required in small amounts to keep the body healthy. Elements like calcium, magnesium, and iron essential nutrient that body needs.
If we don't have enough calcium, our body actually starts breaking down our bone to release the calcium trapped in bones.
If we want to rule out other options, one must realize that a mineral is defined as an inorganic, naturally occurring, homogenous solid, with a definite chemical composition, and ordered (crystalline) atomic structures. Cholestrol, saturated fats, and vitamin K are ORGANIC material (cuz have carbon and hydrogen) and do not have crystralline structures thus are not minerals. Caclium is inorganic
