Closed
Open
Closed
Open
Open
Open
Closed
Has blood vessels
Hemolymph flow is slow
Proper of arthropods and other invertebrates.
Blood pressure and flow are faster than in the open circulatory system.
Does not have blood vessels.
Proper of human beings and other vertebrates.
Has hemocoel; a system of cavities where hemolyph circulates.
There is an heart which pump blood to all the organism
Closed