Assertion: lymphatic system's vessel | /r/CapableOf | form a one-way system
Facets:
Source sentences:
text: Lymphatic vessels form a one-way system in which lymph only flows toward the heart.
text: The lymphatic vessels form a one way system in which lymph flows only towards the heart.
text: The lymphatic vessels, also called lymphatics, form a one-way system, and lymph flows only toward the heart.
text: The lymphatic vessels, also called lymphatics, form a one-way system, and lymph flows only toward the heart.