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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.
In 2011 the Bill & Melinda Gates Foundation launched the "Reinvent the Toilet Challenge" to promote safer, more effective ways to treat human waste. [58] The program is aimed at developing technologies that might help bridge the global sanitation gap (for example the Omni Processor, or technology for fecal sludge management). In 2015, the Bill ...
Waste comes in many different forms and may be categorized in a variety of ways. The types listed here are not necessarily exclusive and there may be considerable overlap so that one waste entity may fall into one to many types.
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 .).
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 ]
Waste is produced by human activity, for example, the extraction and processing of raw materials. [38] Waste management is intended to reduce the adverse effects of waste on human health, the environment, planetary resources, and aesthetics.
However, in certain places, such as popular hiking areas or in winter, human waste can accumulate and therefore WAG bags are used to carry out the feces to dispose of later. [ 3 ] [ 4 ] WAG Bags are always a commercially manufactured product that contains a specialized gel which renders human waste non-infectious.