Arterial pulse pressure and blood pressure measurements, along with those of respiratory rate and body temperature, are referred to collectively as vital signs in clinical settings. Your session has expired or you do not have permission to edit this page. Simple simulation of how electrical activity spreads over the heart.
The spontaneous contractions of the cardiac muscle cells occurs in a regular and continuous way, giving rhythm to the heart.
Arteries farther away from the heart have more muscle tissue in their walls that can constrict to affect flow rates of blood.