Assertion: lymphatic system | /r/HasProperty | open
Facets:
Source sentences:
text: The cardiovascular system is known as a closed system, meaning that the blood it carries is re-circulated, while the lymphatic system is open, meaning that the lymph, the clear fluid within, is able to exit its complex of vessels and enter the cardiovascular system, Within the cardiovascular system are several important parts of the circulatory system.