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• cardiovascular disease is used to describe the diseases of the heart and blood vessels
• coronary heart disease is when the coronary arteries become blocked by fatty deposits- can result in heart attack
• the coronary arteries supple blood to the heart
• stents are tubes that are inserted inside arteries to keep them open
• you need cholesterol for your body to work properly
• too much of LDL cholesterol can cause heath problems because its causes fatty depostits to form inside arteries
• statins are drugs that reduce the amount of LDL cholesterol in the blood
• disadvantage of satins: must be taken regularly person could forget
• advantage of statins: lower cholesterol levels reduces risk of heart attack and stroke
• artificial hearts pump blood around the body for people whos heart has failed
• artificial hearts are less likely to be rejected then a donor heart
• heart valves can be replaced by a mechanical valve or a biological valve
• artificial blood is a blood substitute that is made in a lab and is used in emergency situations eg: salt solution