You could say veins, arteries, and capillaries, or heart, blood, and blood vessels, or pulmonary circulation, coronary circulation, and systemic circulation.
the heart
Actually, there are only 3 parts to the circulatory system, and they are the heart, blood vessels, and the blood.
The three major parts of the circulatory system are the heart, the blood, and the blood vessels.
lungs and heart
lungs and heart
there are a red color.
the circulatory system helps other systems function because it circulates blood to the other systems in your body and that helps the other systems function because the other systems have to pass that through that system
Cockroaches do have circulatory systems, they are are open circulatory systems
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
Marfan syndrome affects three major organ systems of the body: the heart and circulatory system, the bones and muscles, and the eyes.
heart