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Homeostasis is the regulation of the physiological processes of organisms to preserve their internal equilibrium as a reaction to changes in the external environment (Homeostastis, Excretion and the Kidneys). Stability is the aim of Homeostasis as it controls internal reactions against external changes by adjusting its processes to maintain balance.


The failure of the organs to excrete waste products is very detrimental to the health of a person and could possibly lead to death. Diseases are likewise outcomes of this failure. There are natural bodily processes like Osmoregulation which creates balance thus preventing the occurrence of diseases relating to the excretory organs. There are also man-made treatments to combat the negative effects of the malfunction of the excretory systems like Dialysis for severe kidney diseases.
We shall concentrate on the two excretory organs: the kidneys as a component of the urinary system and the skin as a regulator of temperature. In the course of the discussion of the structures and functions of the urinary system and the skin, the effects of the failure of these systems will be tackled. The terms Osmoregulation and Dialysis will likewise be elaborated and explained.
The urinary system has four major components: the kidneys, the ureters, the urinary bladder and the urethra. The main organs of the urinary system are the kidneys. The kidneys with its functional components called nephrons, form the urine. The process begins during blood circulation. ...
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