Biology OCR
B1a Fitness and health
1. You should be thinking about the differences between health and fitness, concentrating on the causes and prevention of heart disease, which is the most common cause of death in the UK.
2. Have ideas on encouraging a healthy lifestyle e.g. ways to reduce the risk of heart disease and high blood pressure e.g. give up smoking, avoid eating high levels of salt and avoid eating high levels of saturated fat.
3. Know that the risk of developing heart disease can be increased by a number of factors, to include: high blood pressure smoking eating high levels of salt
Eating high levels of saturated fat.
4. Be able to describe how cholesterol can restrict or block blood flow in arteries by forming plaques.
5. Be able to analyse data that show the changing incidence of heart disease in the UK.
6. Know that blood pressure measurements consist of diastolic and systolic data in mmHg.
Be able to explain why blood in arteries is under pressure - due to contraction of heart muscles so that blood reaches all parts of the body i.e. the heart acts as a pump.
7. HT only: Be able to explain the possible consequences of having high blood pressure.
8. Be able to describe the factors that increase blood pressure: being overweight stress high alcohol intake smoking 9. HT only: Be able to explain the possible consequences of having low blood pressure.
10. Be able to describe the factors that decrease blood pressure: regular exercise
Balanced diet.
11. Be able to explain the difference between fitness (the ability to do physical activity) and health (free from disease).
12. Analyse the results of different ways of measuring fitness (strength, stamina, flexibility, agility, speed and cardiovascular efficiency).
HT only: Be able to evaluate different ways of measuring fitness.
13. Be able to explain how smoking increases blood pressure: carbon monoxide reduces the oxygen-carrying capacity of the blood so heart rate increases to compensate,
1. You should be thinking about the differences between health and fitness, concentrating on the causes and prevention of heart disease, which is the most common cause of death in the UK.
2. Have ideas on encouraging a healthy lifestyle e.g. ways to reduce the risk of heart disease and high blood pressure e.g. give up smoking, avoid eating high levels of salt and avoid eating high levels of saturated fat.
3. Know that the risk of developing heart disease can be increased by a number of factors, to include: high blood pressure smoking eating high levels of salt
Eating high levels of saturated fat.
4. Be able to describe how cholesterol can restrict or block blood flow in arteries by forming plaques.
5. Be able to analyse data that show the changing incidence of heart disease in the UK.
6. Know that blood pressure measurements consist of diastolic and systolic data in mmHg.
Be able to explain why blood in arteries is under pressure - due to contraction of heart muscles so that blood reaches all parts of the body i.e. the heart acts as a pump.
7. HT only: Be able to explain the possible consequences of having high blood pressure.
8. Be able to describe the factors that increase blood pressure: being overweight stress high alcohol intake smoking 9. HT only: Be able to explain the possible consequences of having low blood pressure.
10. Be able to describe the factors that decrease blood pressure: regular exercise
Balanced diet.
11. Be able to explain the difference between fitness (the ability to do physical activity) and health (free from disease).
12. Analyse the results of different ways of measuring fitness (strength, stamina, flexibility, agility, speed and cardiovascular efficiency).
HT only: Be able to evaluate different ways of measuring fitness.
13. Be able to explain how smoking increases blood pressure: carbon monoxide reduces the oxygen-carrying capacity of the blood so heart rate increases to compensate,