Fig. 3. The effect of exercise on blood (A) pH, (B) lactate and (C) glucose
concentrations in Rana catesbeiana at 15°C in June. Closed
triangles, resting frogs (REST); closed circles, exercise + 4 h recovery (REC
4); closed squares, immediately post-exercise (PE). Values are means ±
s.e.m. *Significant difference from REST values (P<0.05,
N=68).