Which of the Following Is an Accurate Statement

Multiple Choice

Which of the following is an accurate statement?

A) Humans devote 20% of their oxygen supply to the brain.
B) Humans have the biggest brains (in terms of mass) of any species.
C) Humans have the biggest brains (in terms of volume) of any species.
D) Humans brains use the most oxygen proportionately for the body size than any other organism.
E) all of the above