Nurturing Life Sciences
#Id: 2359
#Id: 4025
#Unit 7. System Physiology – Animal
Large quantities of positive potassium ions diffuse out of the SA node.
#Id: 4026
#Id: 4027
#Id: 4028
#Id: 4029
The effects of the autonomic nervous system on heart rate are called chronotropic effects
#Id: 4030
Positive chronotropic effects are increases in heart rate.