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Updated: June 12, 2025
Assimilation will be perfectly performed, and your organism will make the best possible use of the food to create blood, muscle, strength, energy, in a word Life. "Since you have digested your food properly, the excretory functions will be normally performed.
Exudation cysts arise from the distension of cavities which are not provided with excretory ducts, such as those in the thyreoid. Implantation cysts are caused by the accidental transference of portions of the epidermis into the underlying connective tissue, as may occur in wounds by needles, awls, forks, or thorns. The implanted epidermis proliferates and forms a small cyst.
The essentials of his system had to do with a series of vessels, alleged to be twenty-two or twenty-four in number, which penetrated the head and were distributed in pairs to the various members of the body, and which were vaguely thought of as carriers of water, air, excretory fluids, etc.
This again is a sign that the muscles are becoming more important, for the excretory system is needed mainly to remove their waste. These tubes maybe only greatly enlarged glands of the skin. TURBELLARIAN. LANG. va and ha, front and rear branches of gastro-vascular cavity; ph, pharynx.
The heart's action, implying as it does a certain waste, necessitates an addition to the blood of effete matters, which must influence the rest of the system, and perhaps, as some think, cause the formation of excretory organs. The nervous connections established among the viscera must further multiply their mutual influences: and so continually.
Any one of these processes may be carried out in a way that is not consistent with health. Most of us realize that disturbances may occur in the course of digestion, and we are also aware that the excretory organs occasionally fail to do their work in a satisfactory way.
By its irritation of the nerves, the secretory and excretory processes of the system are stimulated into abnormal action, and an extra quantity of fluid is poured into the colon to dissolve the accumulated mass; which is about as scientific a proceeding as pouring a quart of water into a washbowl on the upper floor of a dwelling to clear away an obstruction in the main drain of the building.
Alterations in the color of the skin have no effect upon its excretory function, which, indeed, generally becomes more active during pregnancy. According to one estimate, the average person possesses twenty-eight miles of sweat glands.
The excretory system consists of a pair of tubes discharging through the sides of the body-wall, and having each a ciliated, funnel-shaped opening in the perivisceral cavity. These have received the name of nephridia. Through these also the eggs and spermatozoa are discharged. The reproductive organs are modified patches of the peritoneum, or lining of the perivisceral cavity.
The digesting materials produce a flow of bile, and of pancreatic juice, as they pass along the duodenum, by stimulating the excretory ducts of the liver and pancreas, which terminate in that intestine: and other branches of the absorbent or lymphatic system, called lacteals, are excited to drink up, as it passes, those parts of the digesting materials, that are proper for their purpose, by its stimulus on their mouths.
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