Assertion: circulatory system | /r/HasAspect | normal microbiota
Facets:
Source sentences:
text: Under normal circumstances, the circulatory system and the blood should be sterile; the circulatory system has no normal microbiota.
text: Think about It Why does the circulatory system have no normal microbiota?
text: The circulatory system moves blood throughout the body and has no normal microbiota.