In practice you do metabolize any excess of oxygen since the body draws from dissolved oxygen before calling upon that bonded to hemoglobin. Oxygen becomes a deco liability at PO2s far into the tox zone only. Further, a famous dive researcher named Donald compressed goats on pure oxygen to about 130' for an hour. Several of them convulsed and were locked out. However,when the rest of them were decompressed they developed serious symptoms of DCI which resolved after a few minutes. In other words, even if you were able to incur oxygen bends it would resolve as soon as oxygen deprived tissues absorbed it! -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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