On Molecular and Microscopic Science. 2 Volumes.
On Molecular and Microscopic Science. 2 Volumes.
By Mary Somerville
22 May, 2019
The same simple elements chemically combined in definite but different proportions form the base of an animal as well as of vegetable life. But besides the elementary gases and carbon, many substances, simple and compound, are found in the animal fra
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The same simple elements chemically combined in definite but different proportions form the base of an animal as well as of vegetable life. But besides the elementary gases and carbon, many substances, simple and compound, are found in the animal frame; the phosphate and carbonate of lime, iron which colors the blood, and common salt which, with the exception of water, is the only article of food we use in a mineral state. Animals derive their nourishment, both directly and indirectly, from vegetables. Their incapacity to change inert into the living matter is one of the most characteristic distinctions between the animal and vegetable kingdoms. Less