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Atria- receiving chambers
low pressure
upper chambers of heart
right atrium
left atrium
right atrium
receives blood from the body- deoxygenated
left atrium
receives blood from lungs- oxygenated
ventricles- pumping chambers
high pressure
lower chambers
right V
left V
Right V
pumps blood to lungs
Left V
Pumps blood to aorta to rest of body