1Give reasons: 'Obesity causes high blood pressure.'
2Introduce high blood pressure and state the causes of this disease.
3What is the difference between systolic and diastolic blood pressure? Give their normal ranges.
4Write the symptoms of high blood pressure and the ways to prevent it.
5What is rheumatic fever, and why is it given this name?
6Explain: 'Rheumatic fever and rheumatic heart disease are two stages of the same disease.'
7Write the personal, environmental and social and economic causes of rheumatic fever.
8Write the symptoms of rheumatic fever and rheumatic heart disease and the ways to prevent it.
9Why are high blood pressure and rheumatic fever considered the major heart diseases?