the constant relationship between adrenaline and noradrenaline during physical work ( r=0.90 and 0.85 ) , also with a lower correlation at high intensive physical exercise , changes from 1 : 3.5 ( boys ) to 1 : 5.5 ( adults ) ( p less than 0.001 ) , based on higher noradrenaline levels in the adults at rest , at submaximum exercise levels and during maximum ergometric work ;
C0014563
adrenaline
C0028351
noradrenaline