A Manual of Hygiene

Paperback | February 5, 2012

byMary Taylor Bissell

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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. 1894. Excerpt: ... CHAPTER VII. Food. A broad definition of food would be any substance capable of playing a part in the nutrition of the body. This would include the oxygen of the air, and in a very real sense oxygen is of the highest importance to bodily nutrition. In its more limited sense, however, and the one which we shall use, food may be defined as any substance which is capable of oxidation in the body, and one that is voluntarily taken into the digestive canal through the mouth. Through the assimilation of food the temperature of the body is maintained, muscular and mental energy is evolved, and the daily waste of the body is repaired. This daily waste is estimated at H of the body's weight, i. c. a person weighing 120 pounds would lose 5 pounds daily through the different channels of body-waste,--the lungs, skin, kidneys and bowels. Food stuffs have their sources in both the animal and vegetable kingdom. In attempting a classification of foods, milk, which alone is capable of sustaining the human organism through its entire early existence, may be taken as a type, and in it we find representatives of all the elements necessary for nutrition, viz.: (1) Nitrogenous elements, examples of which are albumin and casein; (2) carbohydrates, as sugar in the form of lactin; (3) hydrocarbons, or fats; and (4) mineral salts and water. (1). Nitrogenous Foodstuffs. These may be of either animal or vegetable origin. They are taken into the body in the form of proteids, which is the only form in which nitrogen can be assimilated in the human body. The greater part of the human body--muscle, blood, lymph, etc.--is composed of proteid or albuminous elements; and the other interstitial fluids have a large percentage of these. There is also a certain amount of nitrogen in the form o...

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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. 1894. Excerpt: ... CHAPTER VII. Food. A broad definition of food would be any substance capable of playing a part in the nutrition of the body. T...

Format:PaperbackDimensions:74 pages, 9.69 × 7.44 × 0.15 inPublished:February 5, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217308546

ISBN - 13:9780217308540

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