Assertion: nervous system's brain | /r/HasProperty | the most complex organ
Facets:
value: in the body
type: LOCATION
value: in the entire body
type: OTHER
Source sentences:
text: The brain is the most complex organ in the body and uses 20 percent of the total oxygen we breathe in.
text: The brain The brain is the most complex organ in the human body; the cerebral cortex (the outermost part of the brain and the largest part by volume) contains an estimated 15–33 billion neurons, each of which is connected to thousands of other neurons.
text: Newman's research also shows that the brain is the most complex organ in the entire body.