8. bones act as a storage site for primarily which mineral?

The correct answer is calcium and phosphorus.  

The bones apart from their mechanical functions also work as a storage site for the minerals that are essential for the functions of the body, most importantly calcium and phosphorus.  

About 99 percent of the calcium in the body is stored in bones, and almost 85 percent of the phosphorus is stored in bones. It is very essential to maintain the level of calcium in the blood inside a narrow range.  

answer by yourhope:

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in which structure in the nucleus are ribosomes made?

b) nucleolus!

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