Values are means±SE (n = 7). a reflects arterialized samples from capillary blood; v reflects arm venous samples. RER, respiratory exchange ratio. The subjects were evaluated before (PRE) and after a
In hypoxia, the initial response in vertebrates is hyperventilation, known as the Hypoxic Ventilatory Response (HVR), which is a physiological reflex that allows fish to maintain adequate oxygen uptak