4 chambers
aorta
aortic valve
apex
atrial systole
bicuspid valve
blood flow
cardiac muscle
cardiac output
chordae tendineae
circulatory pump
conduction system
contract
cross section
diastole
dupp
endocardium
epicardium
heart rate
heart sounds
heartbeat
inferior vena cava
interventricular septum
leakage
left atrium
left ventricle
lubb
mitral valve
myocardium
papillary muscle
pulmonary arteries
pumping
relaxation
right atrium
right ventricle
semilunar valves
sternum
stroke volume
superior vena cava
systole
the cardiac cycle
thoracic cavity
trabeculae carneae
transporting the blood
tricuspid valve
valves of the heart
veins
ventricular systole
ventricular walls