Word: saliva
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...lungs, two kidneys, two hemispheres to the brain, and two sides to his body generally, but only one stomach." Let him then deal very gently with that one. All solid food should be thoroughly chewed, in order to submit the insoluble starch of vegetables to the action of saliva, converting it into soluble sugar, and to divide the nitrogenous food so as to render the access of gastric juice to all particles of it easy, on its arrival in the stomach. When a large amount of ice-water is taken with meals, dyspepsia undoubtedly results from it at times...
...night we shall discuss digestion and in turn take up the various factors in this very important process." Saliva, the first factor, has a mechanical action, by penetrating all through the food in the mouth, it makes the work of grinding it up by the teeth much more easy. It is an alkaline fluid, and has the property of changing starch into sugar. Mr. Huxley's model man would eat 12 oz. of bread and 6 oz. of potatoes every twenty-four hours...
Starch is a compound of carbon, hydrogen and oxygen, each of them an essential constituent of the body. All food should be well masticated, and the proportion of vegetable and animal foods eaten carefully considered. When a portion of food, or drink, saliva, or any other substance has been carried back past a certain point on the posterior part of the tongue, it is completely out of our power to resist swallowing. After leaving the mouth the food passes through the oesophagus to the stomach, which is a hollow muscular organ, and provided with a number of glands which produce...
...Saliva, the first modifying agent which affects the food, is secreted by three sets of glands in the mouth, in variously estimated amounts of from seven to seventy ounces. This liquid is thoroughly mixed with the food by the process of mastication. The secretion of saliva is increased by tobacco, diminished by alcohol, and by violent excise and fear. The saying, "his tongue clove to the roof of his mouth from fear," is a physiological fact...