Assertion: atrium's ventricle | /r/HasProperty | discharging chambers
Facets:
Source sentences:
text: The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers.
text: The atria are the receiving blood chambers for the circulation of blood and the ventricles are the discharging chambers.
text: The ventricles are the discharging chambers, the actual pumps of the heart.