As Brenda breathes slowly, she ponders the amount of inhaled oxygen that is being consumed by her brain. What should Brenda's estimate be?
A)5 percent
B)10 percent
C)15 percent
D)20 percent

Question

Quizplus · Accepted Answer

The brain consumes about 20 percent of the oxygen inhaled by the body, highlighting its high metabolic demand despite its relatively small size compared to the rest of the body.

As Brenda Breathes Slowly, She Ponders the Amount of Inhaled