Fig. 5. Relationship between the time at which peak _O2 or _CO2 occurred and the time at which peak rectal temperature occurred in armadillos following the start of cold-exposure. Data points above the solid line represent experimental trials in which the peak rectal temperature occurred before the peak _O2 and vice versa. Individuals (N=3) for which the time at peak rectal temperature has a value of zero did not exhibit the typical cold-induced increase in rectal temperature.

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