Assertion: heart murmur's heart | /r/HasAspect | four chambers
Facets:
Source sentences:
text: In the illustration, we can see that a dog or cat’s heart has four chambers – two atria and two ventricles (one of each on each side).
text: The heart has 4 chambers:
text: The heart has four chambers: two upper chambers called atria, and two lower chambers called ventricles.
text: The heart has four chambers and four valves and is connected to various blood vessels.
text: The heart has four chambers or "rooms.
text: The heart has 4 chambers: