. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Action of Carbonic Acid 919 With 40 of CO. in the air, there was 95 of it in the blood. Dif- ference 13. With 45 of CO, in the air, there was 114 of it in the blood. Dif- ference 19. We see that increases in the arterial blood which do not differ much correspond to equal increases in the respirable air; this re- sult conforms to the laws of physics. But we should not attribute to it too great an exactness, because important changes in the. Fig. 77—Deat
. Barometric pressure : researches in experimental physiology. Atmospheric pressure; Physiology, Comparative; Anoxemia; Altitude, Influence of. Action of Carbonic Acid 919 With 40 of CO. in the air, there was 95 of it in the blood. Dif- ference 13. With 45 of CO, in the air, there was 114 of it in the blood. Dif- ference 19. We see that increases in the arterial blood which do not differ much correspond to equal increases in the respirable air; this re- sult conforms to the laws of physics. But we should not attribute to it too great an exactness, because important changes in the. Fig. 77—Death by carbonic acid; relation of the respiration and the circu- lation to the carbonic acid content of the blood. (Exp. DCXV.) respiratory rhythm may modify considerably the quantity of car- bonic acid contained in the arterial blood. Let us now drop these chemical considerations and discuss the changes which occurred in the various functions. The number of heartbeats decreases progressively; the tables summarizing Experiments DCXIV and DCXV show that clearly, and line P of Figure 76 still more clearly, at least for Experiment DCXV. If we draw up graphs with the results of this experiment, taking for abscissae, not the time elapsed since the beginning of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bert, Paul, 1833-1886; Hitchcock, Mary Alice; Hitchcock, Fred Andrews, 1889-. Columbus, Ohio : College Book Company
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