The Human Body And Health a Text book of Essential Anatomy Applied Physiology
The Human Body And Health a Text book of Essential Anatomy Applied Physiology
Davison, Alvin, 1868-1915
The book The Human Body And Health a Text book of Essential Anatomy Applied Physiology was written by author Davison, Alvin, 1868-1915 Here you can read free online of The Human Body And Health a Text book of Essential Anatomy Applied Physiology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Human Body And Health a Text book of Essential Anatomy Applied Physiology a good or bad book?
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HOW FOOD IS DIGESTED The Meaning of Digestion. When food is taken into the mouth, it is not in such a state that the blood vessels are able to absorb it and carry it to the cells in all parts of the body. Dry food to be readily swallowed must be broken up and well moistened. The stomach is of such a nature that it will usually not allow any substance to pass out of it before the substance has been softened and made into a liquid state. The food on reaching the intestine is changed into a more p...erfect solution. The operations of chewing, softening, dissolving, and otherwise changing the food so as to fit it to pass through the cell walls into the vessels for transportation, constitute the process called digestion. The changes produced in the food digested are due largely to the ferments made by the glands in the walls of the alimentary canal and by the salivary glands and pancreas. Ferments are substances formed by living cells and are capable of acting on food without any change taking place in themselves.
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