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Arterial oxygen content, haematocrit, and mean arterial pressure along with heart rate for the two exercise trials. CaO2, arterial oxygen content; MAP, mean arterial pressure. ⩒O2, oxygen uptake. There was a significant main effect for exercise intensity for all panels. **, significant main effect of inspirate; †, significant main effect of haemoglobin type, ‡ significant main effect of intensity P<0.05.
