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Technically, the three parts are:

1. Your heart: body's muscular pump;receives and pumps the blood to the different parts of the body

2. blood vessels: tubelike structures which carry blood, including veins, arteries, and capillaries

3. Your blood: the liquid material that circulates throughout the body

Three main parts of the circulatory system are the heart, the blood, and the blood vessels. The heart pumps blood throughout the body. The blood carries oxygen to the cells and removes waste products. The blood vessels carry the oxygen-rich blood to the cells, and the carbon dioxide and wastes away from the cells. They act sort of like channels through which the nutrients can flow.

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8y ago
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16y ago

What is usually considered the circulatory system contains both the cardiovascular system and the lymphatic system. In the cardiovascular system the important structures are the heart, arteries, veins, capillaries, and blood. In the lymphatic system, the important structures are the spleen, bone marrow, lymphatic ducts, lymphatic vessels, lymph nodes, and lymphatic fluid; also mucousal associated lymphatic structures, such as the tonsils, Peyer's patches, and the vermiform appendix.

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15y ago

the thrre main parts are the heart, vessels. and valves

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12y ago

1.arteries

2.vien

3.capillaries

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12y ago

It is the heart the stomach and the lungs.

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13y ago

The blood , The Heart and finally the blood vessels !

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Q: What are the 3 major parts of circulatory system?
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