What process provides one substance transported by the blood?
Options:
- (A) breathing
- (B) heat produced
- (C) drink
- (D) complex
- (E) osmosis
- (F) sweating
- (G) cell division
- (H) condensation
Hmmm, let me think. I don't want to be wrong, so I got to be careful.
Oxygen is just one substance transported by the blood. Breathing and circulation allow oxygen to be transported to the body's cells. Breathing provides one substance transported by the blood. The answer: (A).