How does a rebreather work?

Question

I'd like to know how a rebreather works and where does the air go from the person using it as there don't seem to be any bubbles coming from them.

Thanks

Don

Answer 1

A rebreather is a scuba device that allows you to breathe your own air over and over again and produce no bubbles.To allow you to rebreathe your air, the device must do the following:

• Remove your exhaled carbon dioxide.
• Replace oxygen that you have consumed.
• Control the oxygen concentration in the breathing loop. 

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