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closed circulatory system
Closed. It also has a water-vascular system. :)
Ok
Brown bear have a close circulation system
it is close so then the blood can float in it nice and easy
earthworms have a closed 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=)
its closed due to the fact tht it is needed to protect against bad bacteria flow
Earthworms
fishes do have parallel circulation
Closed circulation is a phrase that the person asking this question doesn't know how to use in a sentence
closed circulatory system