what is calcium ?????
Answers
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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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Answer:
If it helped you.
Please give it a BRAINLIEST!!
Explanation:
Calcium is a mineral that your bones and muscles need.
Calcium also plays an important role in several other body functions, including:
Nerve signal transmission
Hormone release
Muscle contraction
Blood vessel function
Blood clotting
There's also some early evidence that calcium might lower blood pressure and help protect against colorectal and prostate cancers. However, these benefits have yet to be confirmed in studies.