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Human waste (or human excreta) refers to the waste products of the human digestive system, menses, and human metabolism including urine and feces.As part of a sanitation system that is in place, human waste is collected, transported, treated and disposed of or reused by one method or another, depending on the type of toilet being used, ability by the users to pay for services and other factors.
Human feces photographed in a toilet, shortly after defecation.. Human feces (American English) or faeces (British English), commonly and in medical literature more often called stool, [1] are the solid or semisolid remains of food that could not be digested or absorbed in the small intestine of humans, but has been further broken down by bacteria in the large intestine.
There are many synonyms in informal registers for feces, just like there are for urine. Many are euphemistic, colloquial, or both; some are profane (such as shit), whereas most belong chiefly to child-directed speech (such as poo or the palindromic word poop) or to crude humor (such as crap, dump, load and turd.). Horse feces
Composite waste; Construction and demolition waste (C&D waste) Controlled waste; Demolition waste; Dog waste; Domestic waste; Electronic waste (e-waste) Food waste; Green waste; Grey water; Hazardous waste; Household waste. Household hazardous waste; Human waste. Sewage sludge; Industrial waste. Slag; Fly ash; Sludge; Inert waste; Inorganic ...
The term sanitation is connected with various descriptors or adjectives to signify certain types of sanitation systems (which may deal only with human excreta management or with the entire sanitation system, i.e. also greywater, stormwater and solid waste management) – in alphabetical order:
In water ecosystems, relatively little waste collects on the water bed, and so the progress of decomposition in water takes a more important role. Investigating the level of inorganic salts in sea ecosystems shows that unless there is an especially large supply, the quantity increases from winter to spring—but is normally extremely low in summer.
Defecation is the most common regular bowel movement which eliminates waste from the human body. The frequency of defecation is hard to identify, which can vary from daily to weekly depending on individual bowel habits, the impact from the environment and genetic. [ 7 ]
The Aztecs, in particular, are well known for their famous chinampas, artificial islands made of mud and human waste used to grow crops that could be harvested up to seven times a year. Current research has placed the origins of chinampas in an Aztec town of Culhuacan in the year 1100 C.E. [ 7 ] They were constructed by first fencing an area ...