By and large, bones are made up of calcium carbonate in a protein mesh. There are little cells called osteoblasts that continually lay down new minerals to create new bone. To do this, they have to pull calcium out of your bloodstream.
Since continually building bone would end up being bad for your health, your body also has cells called osteoclasts. They break down bone, returning calcium to the bloodstream. The result is continually renewed and healthy bone, as this process heals minor injuries (that you might not even notice) and removes excess growth to keep bone from getting too big.
It also regulates the mineral levels in your body. If you don't have enough calcium in your diet, more will be taken out of your bones to keep the levels in your blood constant (which, after a while, would begin to weaken your bones - but that is still better than not having enough in your bloodstream, since calcium is used for other things as well). If you have too much calcium in your diet, you can get abnormal bone growths (like bone spurs) as your body tries to store the excess calcium. If you have too much, your body can't compensate for it all, and you can end up with calcium deposits in the form of kidney stones or other abnormal buildups.
2007-10-23 07:26:50
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answer #1
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answered by andymanec 7
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Calcium is an important mineral for many cellular functions. The body has to store large quantity of calcium for future babies.
2016-04-05 02:06:46
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answer #3
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answered by Anonymous
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