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Which of the following is a function of calcium in the body? nerve cells require extracellular calcium ions (Ca2+) for proper functioning Ca2+ is a cofactor needed for many enzymes to function properly Ca2+ is required for the process of blood clotting Ca2+ is needed by muscle cells for contraction all of these are important roles of calcium in the body

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Answer:

All of the mentioned activities are the essential functions of calcium in the body.

Explanation:

Calcium refers to a chemical element, which plays an essential role in living organisms, comprising humans. It is the most profusely found mineral in the body and plays an essential role in good health. One needs to take a certain concentration of calcium to sustain and build strong bones and healthy interaction between the brain and other components of the body.  

Calcium is essential for maintaining bone health, for the contraction of muscles, it also plays an essential role in normal blood clotting or coagulation. Apart from this calcium acts as a co-factor for various enzymes, which signifies that in the absence of calcium, these essential enzymes will not be able to function effectively. Calcium is also required by the nerve cells for its proper functioning.  

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