1685028 SYS systemic 18 1685042 SYS systolic 11 1685061 sys Symplastic spermatids 5 1685050 sys system relaxation time tau_ 2 1685040 sys systemic blood pressure P 2 1685043 SYS systole 2 1685063 sys Pulse-synchronous changes in DeltaZ 1 1685060 sys sedentary adults produced greater improvements in submaximal RPE, BP 1 1685062 sys Sensitivity analysis showed that the (empirical) constancy of P 1 1685059 sys seven healthy volunteers, Delta Z 1 1685058 sys significantly decreased PO 1 1685057 sys significantly prolonged; epsilon 1 1685056 sys stress and strain developed by P 1 1685055 sys study discusses the influence of venous pooling, reduced R 1 1685054 sys study the contribution of model parameters to the ratios P 1 1685053 sys sympathetic and parasympathetic modulation as powers of HR and BP 1 1685052 sys system in modulating R 1 1685051 sys system is GM 1 1685049 sys system variable vector X 1 1685048 sys system, mu a 1 1685047 sys systemic alpha-adrenergic tone, the progressive increase of R 1 1685046 sys systemic and pulmonary circulation persisted when P 1 1685045 sys systemic circuits, with increases in Q 1 1685044 sys systemic conductance, P 1 1685041 sys systolic BP 1