The book Physiology And Hygiene for Secondary Schools 0 9 was written by author Francis M Francis Marion Walters Here you can read free online of Physiology And Hygiene for Secondary Schools 0 9 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Physiology And Hygiene for Secondary Schools 0 9 a good or bad book?
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Since the majority of the digestiveprocesses are involuntary and the food, after being swallowed, ispractically beyond control, careful attention must be given to the propermastication of the food and to such other phases of digestion as are undercontrol. *Necessity for Thorough Mastication. *—Mastication prepares the food forthe digestive processes which follow. Unless the food has been properlymasticated, the digestive fluids in the stomach and intestines cannot actupon it to the best advanta...ge. When the food is carefully chewed, a largerper cent of it is actually digested—a point of importance where economy inthe use of food needs to be practiced. A fact not to be overlooked is that one cannot eat hurriedly and practicethorough mastication. The food must not be swallowed in lumps, but reducedto a finely divided and pulpy mass. This requires time. The one whohurries through the meal is necessarily compelled to bolt his food. Thirtyminutes is not too long to give to a meal, and a longer period is evenbetter.
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