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  2. Saturation diving - Wikipedia

    en.wikipedia.org/wiki/Saturation_diving

    A diver breathing pressurized gas accumulates dissolved inert gas used in the breathing mixture to dilute the oxygen to a non-toxic level in the tissues, which can cause potentially fatal decompression sickness ("the bends") if permitted to come out of solution within the body tissues; hence, returning to the surface safely requires lengthy ...

  3. Human physiology of underwater diving - Wikipedia

    en.wikipedia.org/wiki/Human_physiology_of...

    Human physiology of underwater diving is the physiological influences of the underwater environment on the human diver, and adaptations to operating underwater, both during breath-hold dives and while breathing at ambient pressure from a suitable breathing gas supply.

  4. 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.

  5. Diving reflex - Wikipedia

    en.wikipedia.org/wiki/Diving_reflex

    Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.

  6. 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. [ 1 ] [ 2 ] [ dubious – discuss ] It is thought that a system such as this would allow for diving without risk of decompression sickness .

  7. Diving rebreather - Wikipedia

    en.wikipedia.org/wiki/Diving_rebreather

    A Diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the diver.

  8. 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 ...

  9. 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