Page 9 - ScienceOfBreath
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In this chapter we will give you briefly the theories of the Western scientific world 

regarding the functions of the respiratory organs, and the part in the human 

economy played by the breath. In subsequent chapters we will give the additional 

theories and ascertained facts of the Oriental school of thought and research. The 

Oriental accepts the theories and facts of his Western brothers (which have been 

known to him for centuries) and adds thereto much that the latter do not now 

accept, but which they will in due time "discover" and which, after renaming, they 

will present to the world as a great truth.

Before taking up the Western idea, it will perhaps be better to give a hasty general 

idea of the Organs of Respiration.

The Organs of Respiration consist of the lungs and the air passages leading to 

them. The lungs are two in number, and occupy the pleural chamber of the thorax, 

one on each side of the median line, being separated from each other by the heart, 

the greater blood vessels and the larger air tubes. Each lung is free in all 
directions, except at the root, which consists chiefly of the bronchi, arteries and 

veins connecting the lungs with the trachea and heart. The lungs are spongy and 

porous, and their tissues are very elastic. They are covered with a delicately con- 

structed but strong sac, known as the pleural sac, one wall of which closely 

adheres to the lung, and the other to the inner wall of the chest, and which 

secretes a fluid which allows the inner surfaces of the walls to glide easily upon 

each other in the act of breathing.

The Air Passages consist of the interior of the nose, pharynx, larynx, windpipe or 

trachea, and the bronchial tubes. When we breathe, we draw in the air through 

the nose in which it is warmed by contact with the mucous membrane, which is 

richly supplied with blood, and after it has passed through the pharynx and larynx 

it passes into the trachea or windpipe, which subdivides into numerous tubes 

called the bronchial tubes (bronchia), which in turn subdivide into and terminate 

in minute subdivisions in all the small air spaces in the lungs, of which the lungs 

contain millions.

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