Bio 2114

pressure the blood exercts against the inner blood vessel walls

alternating surges os pressure in an artery that occur with each beat of the left ventricle


Average: 70-76 bpm

contraction of ventricles

pressure in the arteries at the peak of ventricular ejection

relaxation of ventricles

pressure during ventricular relaxation

indicate the resumption of blood flow into the fourarm

lub- AV Valves slose at the beginning of systole.

Dub- semi lunar valves close at the end of systole

one complete heartbeat. both atria and ventricles contract then relax