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I couldn't find four, but I found the heart, blood vessels, and the blood. :)

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13y ago
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6mo ago

The heart, arteries, and veins are the 3 major organs in the circulatory system. The heart pumps blood through the arteries, and the veins return blood to the heart for circulation throughout the body.

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12y ago

heart

liver

lung

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Q: What are the 3 major organs in the circulatory system?
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heart is the organ , you may not believe but blood is tissue.


Major organs in the circulatory system?

THE ANSWER IS THE HEARTand the veins and the googleGeeves would like to suggest that there are three essential aspects to the circulatory system: Heart, lungs, and brain. Without any one of these organs the circulatory system would cease to function.


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The system of organs that carries blood around your body is called the 'Circulatory' system, or the 'circulatory' organs.


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What are the major organs of the circular system?

The three major organs of the circulatory system are: 1) The Heart: it pumps blood throughout the body. 2) The Brain: It tells the heart when to pump and how fast to pump. The Brain is what tells the heart to speed up during exercise, and to slow down during rest. 3) The Lungs: The lungs bring in air, and the blood goes through the lungs to pick up the oxygen and bring it throughout the rest of the body as the heart pumps.


What is the center of circulatory system?

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The body systems connected to the circulatory system are 1. Respiratory system 2. Digestive system 3. Muscular system