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Yes it has a closed circulatory system
earthworms have a closed circulatory system
yes
Grasshoppers have an open circulatory system, and worms have a closed circulatory system. There you go. :)
5. It has five hearts
The digestive, circulatory, muscular and nervous system.
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
an earthworm has a closed circulatory system ........ I've searched it :)
The blood circulatory system of the earthworm consists of five main blood vessels; it has aortic arches instead of a heart. The coelom also circulates food, so it could be considered a digestive system or a circulatory system.
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=)
Obviously every creature needs a circulatory system. Just cuz its flat doesn't mean it doesn't have any circles in it. DuH.
Their clitellum has developed and also their circulatory system for all of you Dissection lab question answerers.