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Chapter VI: The Life Fluid.1791
the lungs, in order to have its waste matter and impurities burnt up and cast
off. In another chapter we will tell you about this work of the lungs.
Before passing on, however, we must tell you that there exists another fluid
which circulates through the system. This is called the Lymph, which closely
resembles the blood in composition. It contains some of the ingredients of
the blood which have exuded from the walls of the blood-vessels and some
of the waste products of the system, which, after being cleansed and “madeover”
by the lymphatic system, re-enter the blood, and are again used. The
lymph circulate in thin vein-like canals, so small that they cannot be readily
seen by the human eye, until they are injected with quick silver. These canals
empty into several of the large veins, and the lymph then mingles with the
returning blood, on its way to the heart. The “Chyle,” after leaving the small
intestine (see last lesson) mingles with the lymph from the lower parts of
the body, and gets into the blood in this way, while the other products
of the digested food pass through the portal vein and the liver on their
journey—so that, although they take different routes, they meet again in the
circulating blood.
So, you will see, the blood is the constituent of the body which, directly or
indirectly, furnishes nourishment and life to all the parts of the body. If the
blood is poor, or the circulation weak, nutrition of some parts of the body
must be impaired, and diseased conditions will result. The blood supplies
about one-tenth of man’s weight. Of this amount about one-quarter is
distributed in the heart, lungs, large arteries and veins; about one-quarter
in the liver; about one-quarter in the muscles, the remaining quarter being
distributed among the remaining organs and tissues. The brain utilizes about
one-fifth of the entire quantity of blood.
Remember, always, in thinking about the blood, that the blood is what
you make it by the food you eat, and the way you eat it. You can have the
very best kind of blood, and plenty of it, by selecting the proper foods, and
by eating such food as Nature intended you to do. Or, on the other hand,
you may have very poor blood, and an insufficient quantity of it, by foolish