open circulatory systems
No. All vertebrates have a closed circulatory system. Arthropods and molluskshave an open circulatory system.
Crayfish, along with all other arthropods, have an open circulatory system. There are no veins and no separation of blood from interstitial fluid.
Crayfish, along with all other arthropods, have an open circulatory system. There are no veins and no separation of blood from interstitial fluid.
Amphibians have closed circulatory system Closed
Closed hydrovascular for echinoderms, open haemolymphatic for arthropods. ^^
Crayfish have an Open Circulatory system because they are Invertebrates.
closed circulatory system
Platypuses have a closed circulatory system.
They have open circulatory system.
They have a closed circulatory system.
No, they have open circulatory system.
No, open circulatory system