Carbon Dioxide (CO2)
A gas generated by the metabolic process of generating energy to sustain life. Carbon Dioxide "CO2" is normally regulated through the breathing process where CO2 (with its high dissolved PPCO2) is moved out of the bloodstream, and Oxygen (with its high ambient PPO2) is moved into the bloodstream. In normoxic air the percentage of CO2 is negligible, about 0.03%. CO2 appears to be a factor in DCS, narcosis, hyperoxia and Hypoxia.
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