there are a red color.
The three major parts of the circulatory system are the heart, the blood, and the blood vessels.
The major organ of the circulatory system is the heart. The three parts that are involved with the circulatory system are the blood, the heart, and the vessels.
heart blood blood bessels
Heart
The circulatory system
heart
Heart, blood and blood vessels
blood,arteries,veins,capillaries
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.
blood makes the body move
the circulatory system preforms many vital functions. it plays an important role in respiration. the circulatory system is also important in nutrition, in the removal of wastes and poisons, and in several other body processes.
There is only one major organ in circulatory system that is heart. Brain and lungs are not its parts they are parts of nervous and resperatory system. you may also see blood vessels as a part of circulatory system but its not an organ.