What do amphibians pump around the body in a complex manner?
SO2 food Energy. oxygen Energy thoughts blood water
A B C D E F G H
Blood is pumped around the body by a heart .
amphibians pump blood in a complex manner
What do amphibians pump around the body in a complex manner? (A) SO2 (B) food (C) Energy. (D) oxygen (E) Energy (F) thoughts (G) blood (H) water