What has a three chambered heart?
alpacas goats elms bats orchids mammals a fish toads
A B C D E F G H
Toads and frogs are both amphibians.
Toads have a relatively complex circulatory system with a three chambered heart.
What has a three chambered heart? (A) alpacas (B) goats (C) elms (D) bats (E) orchids (F) mammals (G) a fish (H) toads