The lung artery one will cause the heart to decline _'s general knowledge

The lung artery one will cause the heart to decline _'s general knowledge
The lung artery one can not be closed full-timely, because backflow takes place in the low tiny loop of forcing down resistance, so blood flow dynamics changes usually minor. If increasing against the flow can lead to the fact the capacity load of right ventricle increases, cause the right ventricle to expand, be plump, cause the right heart to be depleted finally.
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