The main structures of the cirulatory system are: the heart, the arteries, veins and capillaries.
no
circulatory system
Bacteria do not have a circulatory system
circulatory system
The most obvious answer would be the Circulatory system; however, the Lymph system also transports material throughout the body, it could be compared to the sewer system in a city. If this is for homework though, the right answer would most assuredly be Circulatory system.
circulatory system
The major circulatory system structures are the heart, arteries, arterioles, capillaries and veins.
The main structures of the cirulatory system are: the heart, the arteries, veins and capillaries.
Circulatory System
heart arteries veins
Heart, veins, arteries, and capillaries
The circulatory system is composed of heart,arteries,veins and capillaries.
boobs
closed circulatory system (double circulatory system)
They're both the circulatory system.
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Amphibians have closed circulatory system Closed