Assertion: circulatory system's heart | /r/HasProperty | other blood vessel
Facets:
value: sometimes
type: TEMPORAL
value: in some animals
type: OTHER
value: simply
type: MANNER
Source sentences:
text: In some animals, the heart is simply an aorta or other blood vessel, and the hemolymph is pulsed throughout the body by muscle contractions.
text: This system consists of blood, the heart (which is sometimes referred to as the blood pumping organ ) and blood vessels.