Yes it has a closed circulatory system
earthworms have a closed circulatory system
Grasshoppers have an open circulatory system, and worms have a closed circulatory system. There you go. :)
The earthworm like many more complex organisms has a closed circulatory system, meaning that its blood is confined to blood vessels and its blood is recirculated so it gets maximum use
Earthworms have a closed circulatory system. Blood is pumped throughout its body by ringed blood vessels. An open circulatory system is not contained in vessels. In a closed circulatory system oxygen is carried in blood! hope this helps=)
an earthworm has a closed circulatory system ........ I've searched it :)
Amphibians have closed circulatory system Closed
closed circulatory system (double circulatory system)
Yes it does. Its only one big vein though. The vein is called Dorsal Blood vessal.
closed circulatory system
Sea otters have a closed circulatory system.
Platypuses have a closed circulatory system.