Word: margaria
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...carbon dioxide gas. Of this odorless gas which appears, among other places, in the exhaled breath of all animals, Sir Joseph declared: "The highest percentage which I know to have been breathed experimentally was 11%, and that for a short time by Mr. John Burdon Sanderson Haldane. Dr. Rodolfo Margaria and I have been in an atmosphere of 10% carbon dioxide for, perhaps, five minutes, but I think that somewhere around 7% or 8% is as much as can be withstood for any extended period, and with that I think Mr. Haldane would agree. Margaria and I spent about...
...symptoms were rather different, but in both cases they were connected with the highest parts of the central nervous system. Margaria suffered from headache for the rest of the day, and Haldane was affected in the same way; my own symptoms were no less definite, but were those of mental fatigue. The mental symptom lasted about two days...
...Margaria and I agreed on two things, firstly, that we did not want to repeat this experiment unless there was some good reason for doing so, and secondly, that our reluctance was due to our unwillingness to expose the higher parts of our brain to the influence of so much carbonic acid...
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