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Therefore the brain feels more keenly the presence of alcohol than does any other organ. Almost the moment that the poison is brought into the stomach, the nerves send up the alarm that an invading foe has come. At once there follows a shock to the brain, and very soon its paralyzed blood-vessels are distended with the rush of blood.
Here our explanation runs against what we call 'vital power' of the ultimate elements of the body." Professor Conn next analyzes the processes of circulation, and his ready-made mechanical concepts carry him along swimmingly, till he tries to explain by them the beating of the heart, and the contraction of the small blood-vessels which regulate the blood-supply.
The lungs take up all of the space in the thoracic cavity not occupied by the heart, blood-vessels and oesophagus. This cavity resembles a cone in shape that is cut obliquely downwards and forward at its base. The base is formed by the diaphragm which is pushed forward at its middle.
During the momentary but terrific struggle for life that followed, Will had presence of mind to draw his hunting-knife, and plunge it, twice, deep into the tiger's side, but the active claws of the creature tore his thighs and arms; several large blood-vessels were injured; the light faded from the eyes of Wandering Will; his strong arm lost its cunning, and, in the midst of a loud report, mingled with a roar like thunder in his ears, he fainted away.
As the food, thus acted on, travels along the intestines, whose constant movement facilitates the passage of their contents from above downwards, its elements are taken up, partly by the blood-vessels, partly by innumerable small vessels, called absorbents from their power of imbibing fluids, and lacteals, from the milky hue of the fluid within them when first absorbed.
This cord is a part of what is called the umbilical cord, and it is this that joins the embryo to the mother. These branching structures are loops of blood-vessels, and they form part of the placenta, or "afterbirth." Through this cord the embryo receives its nourishment from the mother.
This is important for several reasons. In the first place, there is an old saying, which happens to be true, "Never let your blood-vessels get stiff." In addition we should call on the tremendous reserve which Nature gives to us, at least once in a while. Water plays a very important part in the life of man, for without it a person can live for only a short time.
The principal objection to the use of sugar in diet, is what applies to certain cases only, when the stomach and bowels are particularly disordered, or where there is a strong tendency to an over full state of the blood-vessels, tending to the production of palsy or apoplexy, which this article, from its very nutritious properties, and because also it perhaps undergoes a sort of fermentation in the stomach, by which something of the nature of wine may be produced, would be apt rather to augment.
But this I aver, whatever the cause, upon such nights of storm, the sensoria of some men are crossed by such wild variety and succession of images, as amounts very nearly to the Walpurgis of a fever. It is not the mere noise other noises won't do it. The air, to be sure, is thin, and blood-vessels expand, and perhaps the brain is pressed upon unduly. Well, I don't know.
These minute tubes are lined with capillary blood-vessels, which are constantly sending out not only carbonic acid, but other gases and particles of decayed matter. The skin and lungs together, in one day and night, throw out three quarters of a pound of charcoal as carbonic acid, beside other gases and water.