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Bones

Bone-salt

The main chemical Compound in bone, deposited as minute amorphous crystals in a netlike matrix of collagenous fibres containing collagen; it closely resembles the naturally occurring fluorapatite 3Ca3(PO4)2-CaF2, but is probably a hydroxyapatite in which f is replaced by OH.


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Re: Any SOLID arguments against evolution?

... 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 NOT BE DISPERSED EVENLY IN THE CRUST, ...

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by AFJ
Sat May 30, 2009 4:30 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 91
Views: 1578

Re: Natural selection is proven wrong

... a fossil--it will decay to elements. And there are many animal graveyards that show that the animals were carried together--all different types--bones all mangled up and twisted--buried together! Well they have to assign something to these bones, so it was an asteroid. Or maybe...a flood? No! ...

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by AFJ
Thu May 07, 2009 12:21 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 86
Views: 2469

Hobbit Skull Comparison Software's Unexpected Result.

... to ten microcephalic brains, and revealed distinct differences that have so far gone unanswered by critics. In addition, a 2007 study of carpal bones of H. floresiensis found similarities to those of a chimpanzee or early hominin such as Australopithecus and significant differences from the ...

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by GaryGaulin
Wed May 06, 2009 7:22 am
 
Forum: Evolution
Topic: Hobbit Skull Comparison Software's Unexpected Result.
Replies: 10
Views: 321

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 exa...

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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: 321

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 is a chemical used to solidify the calcium, what would the chem...

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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: 321
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