What has a circulatory system with one or two hearts that pump blood?
a fish sharks abalone elephants humans crocodiles giraffes fur seals
A B C D E F G H
An abalone is a shellfish or mollusk.
abalone have a circulatory system with one or two hearts that pump blood.
What has a circulatory system with one or two hearts that pump blood? (A) a fish (B) sharks (C) abalone (D) elephants (E) humans (F) crocodiles (G) giraffes (H) fur seals