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functions does the cardiovascular system perform

1. Delivering needed materials
2. Removing waste products
3. fighting disease

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to keep your cardiovascular system stay healthy

1. Exercise
2. Diet
3. Avoid Smoking

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atherosclerosis ->a condition in which an artery wall thickens as a result of the buildup of fatty materials

heart attack ->a condition in which blood flow to part of the heart muscle is blocked, causing heart cells to die

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arteries-blood vessels that carries blood away from the heart.
capillaries-tiny blood vessels where substances are exchanged between the blood and the body cells

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Atrium-the two upper chambers of the heart that receives blood that comes into the heart
ventricle-the two lower chambers of the heart that pumps blood out of the heart

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a hollow, muscular organ that pumps blood throughout the body

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body system that consist of the heart,blood vessels, and blood
- also called circulatory system