Assertion: brainstem's function | /r/HasProperty | important
Facets:
value: for survival
type: PURPOSE
Source sentences:
text: It comprises only 2.5% of the entire brain, but serves an important function that is necessary for human survival.
text: Many simple or primitive functions that are essential for survival are located here.
text: Because its functions are so important, the part of the circulatory system supplying blood to the brain stem is complex and cannot be overtaken entirely by any single stroke,” said Alejandro Rabinstein, a neurologist at the Mayo Clinic in Rochester, Minnesota.