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Bone (Chemistry consists partly)

in chemistry, consists partly of animal and partly of earthy matter. The former is called ossein. It yields gelatine on being boiled. The composition of human bones, as analyzed by Berzelius, is shown in the following table: 1.13 Animal matter soluble by boiling........ 32.17 Vascular substance Calcium phosphate, with a little calcium fluoride...

Calcium carbonate...

Magnesium phosphate Soda, with a little common salt. 53.04 11.30 1.16 1.20 100 In the other vertebrates the proportions are slightly different.