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  2. Human waste - Wikipedia

    en.wikipedia.org/wiki/Human_waste

    Human waste. 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 ...

  3. Human feces - Wikipedia

    en.wikipedia.org/wiki/Human_feces

    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.

  4. Defecation - Wikipedia

    en.wikipedia.org/wiki/Defecation

    Defecation. Human anatomy of the anorecturm (anus and rectum) Defecation (or defaecation) follows digestion, and is a necessary process by which organisms eliminate a solid, semisolid, or liquid waste material known as feces from the digestive tract via the anus or cloaca. The act has a variety of names ranging from the common, like pooping or ...

  5. Waste - Wikipedia

    en.wikipedia.org/wiki/Waste

    Waste can either be solid, liquid, or gases and each type has different methods of disposal and management. Waste management deals with all types of waste, including industrial, biological, household, municipal, organic, biomedical, radioactive wastes. In some cases, waste can pose a threat to human health. [37]

  6. Reuse of human excreta - Wikipedia

    en.wikipedia.org/wiki/Reuse_of_human_excreta

    Reuse of human excreta is the safe, beneficial use of treated human excreta after applying suitable treatment steps and risk management approaches that are customized for the intended reuse application. Beneficial uses of the treated excreta may focus on using the plant-available nutrients (mainly nitrogen, phosphorus and potassium) that are ...

  7. Excretory system - Wikipedia

    en.wikipedia.org/wiki/Excretory_system

    Excretory system. The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body. The dual function of excretory systems is the elimination of the waste products of metabolism and to drain the ...

  8. Feces - Wikipedia

    en.wikipedia.org/wiki/Feces

    Feces. A comparison of elephant (left) and cow feces (right) Feces (or faeces; sg.: faex) are the solid or semi-solid remains of food that was not digested in the small intestine, and has been broken down by bacteria in the large intestine. [1][2] Feces contain a relatively small amount of metabolic waste products such as bacterially altered ...

  9. Excretion - Wikipedia

    en.wikipedia.org/wiki/Excretion

    Excretion is elimination of metabolic waste, which is an essential process in all organisms. In vertebrates, this is primarily carried out by the lungs, kidneys, and skin. [1] This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. For example, placental mammals expel urine from the bladder ...