- The circulatory system is responsible for transporting oxygen and nutrients to the body's cells
- It consists of the heart, blood vessels, and blood
- There are 4 major blood vessels of the heart: pulmonary artery, vena cava, aorta, and coronary arteries
- High blood pressure can lead to serious health problems if left untreated
- The main function of the circulatory system is to transport oxygen and nutrients to the body's cells and remove waste products
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