During a cardiac cycle, the pressure in the right ventricle is lower than that in the right atrium and
lower than that in the pulmonary artery
atrioventricular valve is open and semilunar valve is closed
can anyone please explain this to me? why is it like that??

Question

During a cardiac cycle, the pressure in the right ventricle is lower than that in the right atrium and 
lower than that in the pulmonary artery
atrioventricular valve is open and semilunar valve is closed
can anyone please explain this to me? why is it like that??

somy · Answer

@Destinymasha @Compassionate @oldrin.bataku @rose21 @aaronq @emcrazy14  pleaaaase :(

somy · Answer

@DollyAcquah @SummerNS @burgandy @Clalgee

anonymous · Answer

http://bcs.whfreeman.com/thelifewire/content/chp49/49020.html Watch this. Fun and easy to understand. xD

anonymous · Answer

http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter22/animation__the_cardiac_cycle__quiz_1_.html http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter22/animation__the_cardiac_cycle__quiz_2_.html

anonymous · Answer

These ones also explain it well. If you still don't understand, I'll be happy to explain.