Assertion: caffeine | /r/CapableOf | proceed to block the activity of a substance
Facets:
Source sentences:
text: When we drink a caffeinated beverage, the caffeine quickly crosses the blood-brain barrier—an interface of sorts between the brain and the body’s circulatory system, designed to protect the central nervous system from chemicals in the blood that might harm it—and proceeds to block the activity of a substance called adenosine.