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VM 518-Heart Function

duration 1 minute 27 seconds

VM 518-Heart Function

VM 518-Heart Function

VM 518-Heart Function

vm 518
cardiovascular system i
heart function
blood
ventricle
valve
atrium
lungs
contraction
backflow
pressure
aorta
left
circulation
shuts
contracts
snapshot
end
body
rest
contract
veins
dioxide
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