Which animals have a circulatory system?
insects mammals fur seals sharks cows squids a fish chickens
A B C D E F G H
Interestingly, a squid is also a mollusk.
Squids have a circulatory system.
Which animals have a circulatory system? (A) insects (B) mammals (C) fur seals (D) sharks (E) cows (F) squids (G) a fish (H) chickens