All other animals have a circulatory system, whether __ r __.
Open are found in...? Closed?
invertebrate or vertebrate
- a. Open Circulatory System
- i. Found in invertebrates, arthropods and non-cephalopod mollusks
- b. Closed Circulatory System
- i. Found in rest of invertebrates (cephalopod mollusks, like squids), annelids, echinoderms (starfish), etc.
- ii. All vertebrates (fish, amphibian, birds, reptiles, mammals)