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  2. Human waste - Wikipedia

    en.wikipedia.org/wiki/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 used, ability by the users to pay for services and other factors.

  3. 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 ...

  4. 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.

  5. Waste - Wikipedia

    en.wikipedia.org/wiki/Waste

    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.

  6. 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 ...

  7. Sanitation - Wikipedia

    en.wikipedia.org/wiki/Sanitation

    Sanitation refers to public health conditions related to clean drinking water and treatment and disposal of human excreta and sewage. [1] Preventing human contact with feces is part of sanitation, as is hand washing with soap. Sanitation systems aim to protect human health by providing a clean environment that will stop the transmission of ...

  8. 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 ...

  9. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    Waste is produced by human activity, for example, the extraction and processing of raw materials. [3] Waste management is intended to reduce the adverse effects of waste on human health, the environment, planetary resources, and aesthetics.