Assertion: heart murmur | /r/CreatedBy | blood
Facets:
Source sentences:
text: A heart murmur is a sound made by blood moving through the heart's chambers or valves.
text: A heart murmur is a sound made by the blood flowing through the heart's valves.
text: Heart murmurs are sounds made by blood as it passes through openings in the heart, such as valves.
text: Heart murmurs are extra or unusual sounds made by blood circulating through the heart or nearby blood vessels.