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Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1852 edition. Excerpt: ...roots, after it has been dissolved in the soil by water. 1132. Q. If leaves throw off the oxygen of the carbonic acid, what becomes of the carbon. A. It is retained to give firmness and solidity to the plant itself. 1133. Q. Show how God has made animal life dependent on that of vegetables? A. Animals require oxygen to keep them alive, and draw it from the air by inspiration: The under surface of leaves gives out oxygen; and thus supplies the air with the very gas required for the use of animals. 1134. Q. Show how God has made vegetable life dependent on that of animal. A. Plants require carbonic acid, which is their principal food; and all animals exhale the same gas from their lungs. Thus plants supply animals with oxygen, and animals supply plants with carbonic acid. SECTION I. FOOD. a 1135. Q. What is fuel of the body? A. Food is the fuel of the body. The carbon of the food, mixing with the oxygen of the air, evolves heat, in the same way that a fire or candle does. 1136. Q. How is food converted into blood? A. After it is swallowed, it is dissolved in the stomach into a grey pulp, called Chyme; it then passes into the intestines, and is converted by the "bile" into a milky substance, called chvle. 1137. Q. What becomes of the milky substance called chyle? A. It is absorbed by the vessels called "lacteals," and poured into the veins on the left side of the neck. 1138. Q. What becomes of the chyle, after it is poured into the veins? A. It mingles with the blood, and is itself converted into blood also. 1139. Q. How does the oxygen we inhale mingle with the blood? A. The oxygen of the air mingles with the blood in the lungs, and converts it into a bright red color. 1140. Q. How does oxygen convert the color of blood into a...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1852 edition. Excerpt: ...roots, after it has been dissolved in the soil by water. 1132. Q. If leaves throw off the oxygen of the carbonic acid, what becomes of the carbon. A. It is retained to give firmness and solidity to the plant itself. 1133. Q. Show how God has made animal life dependent on that of vegetables? A. Animals require oxygen to keep them alive, and draw it from the air by inspiration: The under surface of leaves gives out oxygen; and thus supplies the air with the very gas required for the use of animals. 1134. Q. Show how God has made vegetable life dependent on that of animal. A. Plants require carbonic acid, which is their principal food; and all animals exhale the same gas from their lungs. Thus plants supply animals with oxygen, and animals supply plants with carbonic acid. SECTION I. FOOD. a 1135. Q. What is fuel of the body? A. Food is the fuel of the body. The carbon of the food, mixing with the oxygen of the air, evolves heat, in the same way that a fire or candle does. 1136. Q. How is food converted into blood? A. After it is swallowed, it is dissolved in the stomach into a grey pulp, called Chyme; it then passes into the intestines, and is converted by the "bile" into a milky substance, called chvle. 1137. Q. What becomes of the milky substance called chyle? A. It is absorbed by the vessels called "lacteals," and poured into the veins on the left side of the neck. 1138. Q. What becomes of the chyle, after it is poured into the veins? A. It mingles with the blood, and is itself converted into blood also. 1139. Q. How does the oxygen we inhale mingle with the blood? A. The oxygen of the air mingles with the blood in the lungs, and converts it into a bright red color. 1140. Q. How does oxygen convert the color of blood into a...
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