Abstract
Summary
The rise of blood pressure caused by oxygen deficiency is greatly augmented or potentiated by small amounts of CO, which in themselves have no effect upon blood pressure. This potentiation is present not only in the animal capable of respiratory adjustments, but also when the minute volume of ventilation is kept constant by means of artificial respiration. These conditions indicate that the circulatory system, per se, does play a major part in the adjustment to oxygen deficiency brought about by small amounts of CO2.
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