Studied by 12 people
how long does a cardiac cycle take?
0.8 secs
what does the cardiac cycle represent?
one full heartbeat
what are the three phases?
diastole phase , atrial systole, ventricular systole
how long does the diastole phase last?
0.4 secs
how long does the atrial systole last?
0.1 secs
how long does the ventricular systole last?
0.3 secs
diastole phase
heart relaxes and fills with blood and pressure increases in atri aso av valves open
atrial systole
atria contracts forcing blood into the ventricles
ventricular systole
ventricles contracts increasing pressing closing av valves to stop backflow
Note 
Flashcard (64)