We, as vertebrates, have a closed system in that our blood travels from the heart and back. Other organisms don't have such a system. Open circulatory systems allow all fluids in an organism to mix.
Grasshoppers have an open circulatory system, and worms have a closed circulatory system. There you go. :)
Amphibians have closed circulatory system Closed
closed circulatory system (double circulatory system)
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Yes it has a closed circulatory system
closed circulatory system
Sea otters have a closed circulatory system.
The circulatory system of the chimp and human is basically the same.
Platypuses have a closed circulatory system.
closed circulatory system.
Closed circulatory systems have blood that does not flow in defined blood vessels. Examples are insects and how their organs are bathed continually in "blood". Open circulatory systems have blood that flows in vessels. Humans have this system as blood flows in veins, arteries and capillaries.
Brown bear have a close circulation system