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Hypothetically speaking, suppose there is a device that produces a limitless supply of oxygen. The device is inhaled by a human and is resting inside the (a) lung.

What would hypothetically happen if this were possible?

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closed as primarily opinion-based by AliceD, canadianer, anongoodnurse, Corvus, Chris Mar 28 '15 at 8:06

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ Welcome to Biology S.E.! If you need additional assistance on how/what to ask please visit The Help Center. $\endgroup$ – L.B. Mar 28 '15 at 1:28
  • $\begingroup$ What is your question? $\endgroup$ – AliceD Mar 28 '15 at 2:09
  • $\begingroup$ We'd probably choke… $\endgroup$ – canadianer Mar 28 '15 at 5:20
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    $\begingroup$ Depending on the efficiency/production of the hypothetical device, it might be toxic $\endgroup$ – Luigi Mar 28 '15 at 6:47
  • $\begingroup$ Could you elaborate on the situation in which you want information about the device? i.e. in an oxygen-deprived person/athlete/underwater/etc. Also, a little more information about the hypothetical device would be useful (does it maintain normal atmospheric oxygen conc., or produce excess?) $\endgroup$ – Luigi Mar 28 '15 at 6:51
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You might need to narrow your parameters a bit.

Just things to consider:

  • Our lungs are not hollow organs that can accommodate an oxygen producing machine. They are basically narrow tubes that get smaller and smaller until they end in a tiny balloon-like structure - about 700 million of them. Where would the machine go?
  • 100% oxygen is toxic to the lungs, as it is to many other things as well.
  • How would the oxygen diffuse to all the other areas of the lung that need oxygen? Diffusion is a complicated process in a structure like the lungs.
  • from what would it produce oxygen? For example, would it extract it from water? How would the body deal with the loss of moisture from the air in out lungs? Where would the excess hydrogen go?
  • Hydrogen is highly flammable around 29%. Would we become fire-breathing?
  • How would the machine not hyperinflate and thus injure the lung?
  • How would we get rid of CO2? We would still have to breathe in and out.
  • Etc.
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