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Chapter 5.3 ­ Heart Disease ­ Notes

Almost half of all heart disease deaths are due to coronary heart disease, which
affects the coronary arteries, which supply the heart with the components for
respiration. Blood flow through these vessels is impaired by the build-up of fatty
deposits (atheroma). This can…

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more `sticky' so there is a higher risk of thrombosis, which again leads to
strokes and myocardial infarcations.

High blood pressure: lifestyle factors such as excessive, prolonged stress, diet and
lack of exercise increase the risk of high blood pressure. High blood pressure affects
the risk of heart disease because:…




This is amazing!!! do you have any other revision notes for the rest of AS biology!

If you do please please put them up thanks so much

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