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Overeating of flesh is followed by excessive production of urea and uric acid products. Some of these may be deposited in various parts of the body, while the urea is mostly excreted by the kidneys. The kidneys do not thrive under overwork any more than other organs. The vast majority of cases of diabetes and Bright's disease are caused by overworking the digestive organs.

If the egg which passes from the ovary to the uterus is not fertilized, it is excreted, the uterus goes through another monthly cycle of preparation for the period of intra-maternal environment, and so on indefinitely until the climacteric. This climacteric or decay of sexuality is a rather critical time, especially in women.

Let us now suppose a little sweet juice or nectar to be excreted by the inner bases of the petals of a flower. In this case insects in seeking the nectar would get dusted with pollen, and would certainly often transport the pollen from one flower to the stigma of another flower. Some of these seedlings would probably inherit the nectar-excreting power.

That a less amount is excreted by the tea-drinker, when similar quantities are ingested, the weight and plumpness of the body remaining undiminished the while, is proof of the slower change of tissue which takes place under the modifying influence of tea. The importance of this effect we shall presently see.

He says a young man from Washington gave a lecture at his college down in North Carolina, in which he informed them that the cause of infertility of soils is a poisonous substance excreted by the plant itself, and that this can be overcome by changing from one crop to another because the excrete of one plant, while poisonous to that plant, will not be poisonous to other plants of a different kind.

Then all the food in the blood can not be used for repair and fuel. The balance must either be excreted or stored away in the body as deposits. If it is stored in the walls of the blood-vessels they become hard and unyielding. No matter where deposits take place, some of them will be found in the walls of the blood-vessels. When these vessels grow hard they decrease in caliber.

These changes we do not indeed understand, but they are undoubtedly chemical changes. The result is that some compounds are pulled to pieces and part of the fragments liberated or excreted, while other parts are retained and built into other more complex compounds. The compounds thus manufactured are retained in the cell body, and it grows in bulk.

When the gold puppy excreted, it excreted gold for him. When the silver puppy excreted, it excreted silver for him. The man greatly enriched himself by selling the metal. Thereupon another man, for the sake of imitation, set his net in the river. He killed a quantity of fish. Then the raven came. The man smeared a fish with mud, and then threw it to the raven. The raven flew away with it.

In cool weather, when the skin is less active, a large amount of water is excreted by the kidneys, as is shown by the experience of those who drive a long distance in severe weather, or who have caught a sudden cold. Magnified View of a Sweat Gland with its Duct. Absorbent Powers of the Skin. The skin serves to some extent as an organ for absorption.

On the other hand, the following considerations render it highly probable that the carbonate of lime, which is excreted by the glands, aids the digestive process under ordinary circumstances. Leaves during their decay generate an abundance of various kinds of acids, which have been grouped together under the term of humus acids.