There are different condition or factor that affect the functioning of the kidneys. These include environmental temperature, drugs, habitats and diseases.
[1] ENVIRONMENT TEMPERATURE:- Temperature affects the functioning of the kidney. On cold days there is every tendency to urinate more than we do on hot days. On hot days, much water is lost by sweating. But on cold days very little or no water is lost by sweating, hence more of the excess water in the body is lost through the kidney. under this condition, the kidney is under stress as they have to remove excess water, salts and other waste product from the body.
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[2] DRUGS:- Most drugs taken by human beings do affect the functioning of the kidney. Among the essential drugs which affect the kidney are diuretics. These are usually taken to get rid of the excess water out of the body.
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[3] HABITAT:- Habitats, especially aquatic habitat, do have some effect on the functioning of the kidney. in freshwater habitat, the animals live in an environment which is hypotonic to their body fluid, i.e body fluid is more concentrated than its water environment. As a result, freshwater animals experience a constant inflow of water into their body. The freshwater animals are able to solve this problem of excessive intake of water by excreting salts and other nitrogenous waste through the urine thereby maintaining a normal salt and waste balance in the body.
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