MAP, HR, RSNA, BF, and nMV in control and lesioned rats during hemorrhage (gray shaded box) and recovery. Data are group means ± SE. Group n are 12 for MAP and HR and 6 for RSNA and ventilatory variables in the control group. Group n are 13 for MAP and HR, 8 for RSNA, and 7 for ventilatory variables in the lesion group. *P < 0.05 and **P < 0.01 between groups.