The atrioventricular (AV) heart valves open and close . The atrioventricular (AV) heart valves open and close . passively, depending on the pressure of the blood in the atria and ventricles entirely differently from the mechanism used to operate the semilunar valves. as papillary muscles and chordae tentinae pull them as the circular muscles surrounding them operate.

the atrioventricular heart valve open and closed imcubent on different blood pressure on both sides.

my kitchen has a fire extinguisher and smoke detector.never overloaded sockets.no frayed cords.yes my sockets are sealed.yes i always have lights on with no clutter.yes handrails is secure.yes firplace is protected.yes my fireplace is cleaned often.no i point handle in with stove off.stove is cleaned regularly.yes knifes are high up.no talking while chewing ew! yes cleaners are locked up.my shower is slip proof and my medications are high up from reach.never keep oil saturated rugs or rags.my carpet is new.my kitchen has a fire extinguisher and smoke detector.never overloaded sockets.no frayed cords.yes my sockets are sealed.yes i always have lights on with no clutter.yes handrails is secure.yes firplace is protected.yes my fireplace is cleaned often.no i point handle in with stove off.stove is cleaned regularly.yes knifes are high up.no talking while chewing ew! yes cleaners are locked up.my shower is slip proof and my medications are high up from reach.never keep oil saturated rugs or rags.my carpet is new.

i hope this have an amazing day!

that was alot for five

what test are you taking