CHAPTER V
THE LABORATORY OF THE BODY
This little book is not intended for a text-book upon physiology, but inasmuch as the majority of people seem to have little or no idea of the nature, functions and uses of the various bodily organs, we think it as well to say a few words regarding the very important organs of the body which have to do with the digestion and assimilation of the food which nourishes the body—which perform the laboratory work of the system.
The first bit of the human machinery of digestion to be considered by us are the teeth. Nature has provided us with teeth to bite our food and grind it into fine bits, thus rendering it of a convenient size and consistency to be easily acted upon by the saliva and the digestive juices of the stomach, after which it is reduced to a liquid form that its nourishing qualities may be easily assimilated and absorbed by the body. This seems to be merely a repetition of an oft-told tale, but how many of our readers really act as if they knew for what purpose their teeth had been given them? They bolt their food just as if teeth were merely for show, and generally act as if Nature had provided them with a gizzard, by the aid of which they could like the fowl grind up and break into small bits the food that they had bolted. Remember, friends, that your teeth were
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