Resting arterial pressure, heart rate, thoracic pressure and respiratory rate before and 2 days after ligation of the carotid body arteries (CBA).

MAP  =  mean arterial pressure, HR  =  heart rate, TPS  =  thoracic pressure swing, RR  =  respiratory rate. Data are the means ± SEM. * difference between intact and inactivated chemoreceptor, † difference between SHR and WKY (p<0.05, two-way ANOVA with Bonferroni post-hoc test, n = 13/14).