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When it comes to essential minerals, iron and calcium are some of the most important. Iron's main role is to help transport oxygen around the body. It's also important for brain function, , and a healthy immune system. Calcium is vital for healthy bones and teeth. And it also helps normal blood clotting.
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ang iron ay tulong pagpatangkad Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium
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