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  2. Artificial gills (human) - Wikipedia

    en.wikipedia.org/wiki/Artificial_gills_(human)

    One proposed method is the use of liquid breathing with a membrane oxygenator to solve the problem of carbon dioxide retention, the major limiting factor in liquid breathing. [ 2 ] [ 3 ] [ dubious – discuss ] It is thought that a system such as this would allow for diving without risk of decompression sickness .

  3. Rebreather - Wikipedia

    en.wikipedia.org/wiki/Rebreather

    Rebreather technology may be used where breathing gas supply is limited, such as underwater, in space, where the environment is toxic or hypoxic (as in firefighting), mine rescue, high-altitude operations, or where the breathing gas is specially enriched or contains expensive components, such as helium diluent or anaesthetic gases.

  4. Aquatic respiration - Wikipedia

    en.wikipedia.org/wiki/Aquatic_respiration

    Others may breathe atmospheric air while remaining submerged, via breathing tubes or trapped air bubbles, though some aquatic insects may remain submerged indefinitely and respire using a plastron. A number of insects have an aquatic juvenile phase and an adult phase on land. In these case adaptions for life in water are lost at the final ecdysis

  5. Underwater breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Underwater_breathing_apparatus

    Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

  6. Category:Underwater breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Category:Underwater...

    Underwater breathing apparatus is equipment or systems which allow the user to breathe underwater. There is a sub-category for components. Subcategories.

  7. Scuba diving - Wikipedia

    en.wikipedia.org/wiki/Scuba_diving

    Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The name scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...

  8. Hydrox (breathing gas) - Wikipedia

    en.wikipedia.org/wiki/Hydrox_(breathing_gas)

    [10] and as a low density breathing gas to minimise work of breathing at extreme depths. The COMEX experimental series culminated in a simulated dive to 701 metres (2,300 ft), by Théo Mavrostomos on 20 November 1990 at Toulon, during the COMEX Hydra X decompression chamber experiments. This dive made him "the deepest diver in the world". [11]

  9. Diving chamber - Wikipedia

    en.wikipedia.org/wiki/Diving_chamber

    The historically older open diving chamber, known as an open diving bell or wet bell, is in effect a compartment with an open bottom that contains a gas space above a free water surface, which allows divers to breathe underwater. The compartment may be large enough to fully accommodate the divers above the water, or may be smaller, and just ...