When astronauts go to the bathroom in space, were does it go?


They use air flow to make the urine or feces go where we want, since gravity will not do it for them. They have to be more careful and think about what they are doing with the toilet in the Shuttle.

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Biology Urine Architecture Toilet Toilets Feces

A space toilet, or zero gravity toilet, is a toilet that can be used in a weightless environment. In the absence of weight, the collection and retention of liquid and solid waste is directed by use of air flow. Since the air used to direct the waste is returned to the cabin, it is filtered beforehand to control odor and cleanse bacteria. In older systems, waste water is vented into space and any solids are compressed and stored for removal upon landing. More modern systems expose solid waste to vacuum to kill bacteria, which prevents odor problems and kills pathogens.

A toilet seat is a hinged unit consisting of seat, and usually a lid, which is bolted onto a toilet bowl for a flush toilet. A toilet seat consists of the seat itself, which may be contoured for the user to sit on, and the lid, which covers the toilet when it is not in use – the lid may be absent in some cases, particularly public restrooms.

The seat is generally lifted when a man stands to urinate, or while cleaning the toilet. The issue of men leaving the seat up or putting it back down after use, particularly for the benefit of women, is a perennial topic of discussion and light humor, with it generally argued that leaving the toilet seat up is more efficient, but putting it down is more considerate. The lid is frequently left open, but it can be closed after use, to prevent the spread of germs and odors when the water is aerosolized on flushing.


Physiology (/ˌfɪziˈɒləi/; from Ancient Greek φύσις (physis), meaning "nature, origin", and -λογία (-logia), meaning "study of") is the scientific study of function]disambiguation needed[ in living systems. This includes how organisms, organ systems, organs, cells, and bio-molecules carry out the chemical or physical functions that exist in a living system. The highest honor awarded in physiology is the Nobel Prize in Physiology or Medicine, awarded since 1901 by the Royal Swedish Academy of Sciences.


In journalism, a human interest story is a feature story that discusses a person or people in an emotional way. It presents people and their problems, concerns, or achievements in a way that brings about interest, sympathy or motivation in the reader or viewer.

Human interest stories may be "the story behind the story" about an event, organization, or otherwise faceless historical happening, such as about the life of an individual soldier during wartime, an interview with a survivor of a natural disaster, a random act of kindness or profile of someone known for a career achievement.


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