...General diastole Both atria relax and blood...
...Artrial systole Both atria contract, squeezing blood...
...after which both atria contract. Signal then...
...conduction for the atria to relax. Signal...

...a) From the atria b) To the...
...(1) From the atria (2) To the...
...impulses originating in atria cells will result...
...originate elsewhere in atria Decrease cardiac output...
...impulses within the atria. They may develop...
...develops in the atria. A. Premature atrial...
...located in the atria B. Supraventricular tachycardia...
...in which the atria are contracting so...
...common sustained arrhythmia Atria contracting very rapidly,...
...Blood remaining in atria prone to form...
...to depolarize the atria and downward to...
...appears normal, the atria are depolarized in...
...treatment, because the atria and ventricles are...
...AV node. The atria and ventricles fire...
...complex, because the atria and the ventricles...
...Requires emergency treatment. Atria and ventricles are...
...the AV node. Atria and ventricles fire...
...conduction through the atria, ventricles, and the...
...chamber. 2. Atrium—The atria can also be...
...pacing, both the atria and the ventricles...

...Four-chambered heart Two atria and Two ventricles...
...chambered heart Two atria and a single...
...Blood from both atria flow into the...
...2 auxillary 1 atria / 1 ventricle...
...Three-chambered heart Two atria, one ventricle How...
...Five-chambered heart Two atria and three interconnected...
...Four chambers Two atria Two ventricles separated...
...(AV) valves Between atria and ventricles Tricuspid...
...Mammalian Cardiac Cycle Atria and ventricles alternate...
...diastole The two atria contract simultaneously, Slight...
...ventricles contract simultaneously Atria and ventricles relax...