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Calcium

Calcium

(Science: element) An element taken in through the diet that is essential for a variety of bodily functions, such as neurotransmission, muscle contraction and proper heart function. Imbalances of calcium can lead to many health problems and excess calcium in nerve cells can cause their death. A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals.A substance essential to the diet of animals and plants and is present in and is an important constituent of bones, teeth and shells.


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Re: Any SOLID arguments against evolution?

... or disease. Most of the crust is silicon and oxygen, with of course all the other elements and compounds. WHERE ARE THE VAST AMOUNTS OF CALCIUM THAT WOULD HAVE COME FROM THE BONES OF THOSE ANIMALS WHO DID NOT FOSSILIZE? BECAUSE IT ALLEGEDLY TOOK SO MUCH TIME TO SPECIATE, WHY WOULD CALCIUM ...

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by AFJ
Sat May 30, 2009 4:30 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 102
Views: 1648

Re: How bones get their calcium

After checking the link and wikiing the important words, I've found that it is the Vitamin D that does something to the intestines that increases calcium absorption or something along those lines. Would this be accurate? Also, you mentioned a chemical reaction that precipitates the calcium. What ...

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by brendan928
Sun Apr 19, 2009 5:41 pm
 
Forum: Human Biology
Topic: How bones get their calcium
Replies: 4
Views: 327

How bones get their calcium

Cells are able to selectively conecntrate ions with protein pumps. Although it is posssible that some other metals that behave similarly to Calcium might be incorporated. But they are pobably less concentrtated in the body, and there is indeen selection of ions both by the osteoblasts and the ...

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by canalon
Thu Apr 16, 2009 3:00 am
 
Forum: Human Biology
Topic: How bones get their calcium
Replies: 4
Views: 327

Re: How bones get their calcium

Yes, but how exactly is the calcium-and only the calcium-made to solidify? Is there a certain chemical applied to the blood that allows this, or is it a chemical property of calcium that lets it become solid since it's a metal? If there ...

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by brendan928
Wed Apr 15, 2009 11:51 pm
 
Forum: Human Biology
Topic: How bones get their calcium
Replies: 4
Views: 327

How bones get their calcium

Basicallly the calcium used by the bones comes from the Ca++ in solution, it is absorbed in the intestine and into the bloodstream. The regulation of the concentration of Ca++ in the blood involved numerous cells as Ca++ is not only ...

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by canalon
Wed Apr 15, 2009 3:54 pm
 
Forum: Human Biology
Topic: How bones get their calcium
Replies: 4
Views: 327
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