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PT205 Quiz 2

TermDefinition
heart the prime mover that propels blood throughout the body
apex the pointed, inferior portion of the heart
endocardium a thin, smooth layer of epithelial cells that lines the heart's interior
myocardium the thickest layer of the heart that pumps blood through the vessels
epicardium a serous membrane that forms the thin, outermost layer of the heart
pericardium the sac that encloses the heart
right ventricle pumps the venous blood received from the right atrium to the lungs
left atrium receives blood high in oxygen content as it returns from the lungs via pulmonary veins
septum separates the right and left sides of the heart
systole active phase of the heart contraction
diastole resting phase of the heart contraction
cardiac output the volume of blood pumped by each ventricle in 1 minute
purkinje fibers also called conduction myofibers
sinsus rhythm a normal heart rhythm origination at the SA node
bradycardia slow heart rate
tachycardia fast heart rate
electrocardiograph records electrical changes produced as the heart muscle contracts
Created by: pierce258