Closed hydrovascular for echinoderms, open haemolymphatic for arthropods. ^^
To name a few: Arthropods, Gastropods, Echinoderms, Mollusks, Mammals, Reptiles, and on and on, are you looking for a specific kind?
The lungs.
They have closed circulatory systems.
Arthropods have an internal body cavity called a hemocoel which bathes the internal organs in nutrients, and is a component of their open circulatory system.
What kind of circulatory system does a millipede have?
it's echinoderms,they are sea urchins,sea cucumbers,sea stars, and brittle stars. Echinoderms are a kind of invertebrate.
closed circulatory
Echinoderms
Echinoderms
Sea Cucumbers.
Thier is five kind of Echinoderms, their is sea stars, brittle stars, sea cucumbers, sea urchins, and sand dollars.
they have an open circulatory system