Assertion: circulatory system's vein | /r/HasProperty | empty oxygen-rich blood
Facets:
Source sentences:
text: The pulmonary veins empty oxygen-rich blood from the lungs into the left atrium.
text: The pulmonary veins empty oxygen-rich blood from the lungs into the left atrium.
text: The pulmonary veins empty oxygen-rich blood from the lungs into the left atrium.